1.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
If \( x \) and \( y \) are inversely proportional, and \( x = 4 \) when \( y = 3 \), what is the value of \( y \) when \( x = 12 \)?
1 out of 60
2.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What are the solutions of the equation \( x^2 - 5x + 6 = 0 \)?
2 out of 60
3.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
If \( 3^{2x+1} = 81 \), what is the value of \( x \)?
3 out of 60
4.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
Find the value of \( k \) for which the equation \( x^2 + kx + 9 = 0 \) has one real solution.
4 out of 60
5.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What is the standard form of the equation of the circle with a radius of 5 units and center at (3, -4)?
5 out of 60
6.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What is the slope of the line given by the equation \( 2x - 3y = 6 \)?
6 out of 60
7.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What is the inverse function of \( f(x) = 3x - 4 \)?
7 out of 60
8.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
Given \( f(x) = 2x^3 - x^2 + 4x - 7 \), what is the value of \( f(-2) \)?
8 out of 60
9.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
Given \( g(x) = \frac{1}{x-2} \), for which values of \( x \) is \( g(x) \) undefined?
9 out of 60
10.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
If \( \frac{x}{5} = \frac{y}{3} \) and \( x = 10 \), what is the value of \( y \)?
10 out of 60
11.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
Which of the following represents the sum of the infinite geometric series \( 1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \ldots \)?
11 out of 60
12.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
If \( a \) and \( b \) are integers such that \( a > b \) and \( ab = -24 \), which of the following could be the value of \( a - b \)?
12 out of 60
13.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What is the simplified form of the expression \( \frac{x^2 - 16}{x^2 - 5x + 4} \)?
13 out of 60
14.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What is the product of the roots of the equation \( x^2 - 7x + 12 = 0 \)?
14 out of 60
15.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
If \( 3x - 2y = 12 \) and \( 5x + 3y = -9 \), what is the value of \( x \)?
15 out of 60
16.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
If \( f(x) = 2x^2 - 5x + 3 \), what is the value of \( f(-2) \)?
16 out of 60
17.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
For what value of \( k \) will the system of equations \( 2x + 3y = 6 \) and \( kx - 5y = 10 \) have no solution?
17 out of 60
18.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What is the solution set for the inequality \( 2(x - 3) < 4x - 6 \)?
18 out of 60
19.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
If \( g(x) = \frac{2x}{x - 1} \), for what value(s) of \( x \) is \( g(x) \) undefined?
19 out of 60
20.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What is the inverse function of \( f(x) = 3x - 2 \)?
20 out of 60
21.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
What are the solutions to the equation \( x^2 - 6x + 9 = 0 \)?
21 out of 60
22.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
Which of the following represents the vertex form of the quadratic equation \( y = x^2 - 4x + 1 \)?
22 out of 60
23.
Praxis Algebra I (5162) Practice Test: Principles of Algebra
If \( 3x - 2y = 12 \) and \( 5x + 3y = -9 \), what is the value of \( x \)?
23 out of 60
24.
Praxis Algebra I (5162) Practice Test: Functions
Which of the following represents the inverse function of \( f(x) = \frac{2x}{x - 1} \)?
24 out of 60
25.
Praxis Algebra I (5162) Practice Test: Functions
If \( f(x) = 3x^2 - 2x + 1 \), what is \( f(-1) \)?
25 out of 60
26.
Praxis Algebra I (5162) Practice Test: Functions
If the function \( f(x) = 2x^3 - 5x^2 + x - 1 \) has a root at \( x = 1 \), what is \( f(1) \)?
26 out of 60
27.
Praxis Algebra I (5162) Practice Test: Functions
If \( f(x) = |x - 3| \), what is the minimum value of \( f(x) \)?
27 out of 60
28.
Praxis Algebra I (5162) Practice Test: Functions
For the function \( h(x) = \frac{1}{x^2 - 4} \), what are the asymptotes?
28 out of 60
29.
Praxis Algebra I (5162) Practice Test: Functions
What is the domain of the function \( f(x) = \log_3(x + 2) \)?
29 out of 60
30.
Praxis Algebra I (5162) Practice Test: Functions
What is the range of the function \( h(x) = \sqrt{x - 2} \)?
30 out of 60
31.
Praxis Algebra I (5162) Practice Test: Functions
Given \( g(x) = x^2 - 4x + 4 \), for what values of \( x \) is \( g(x) \leq 0 \)?
31 out of 60
32.
Praxis Algebra I (5162) Practice Test: Functions
What is the domain of the function \( f(x) = \sqrt{9 - x^2} \)?
32 out of 60
33.
Praxis Algebra I (5162) Practice Test: Functions
Given the piecewise function \( f(x) = \begin{cases
33 out of 60
34.
Praxis Algebra I (5162) Practice Test: Functions
If \( h(x) = 3^{x+1} \), what is \( h^{-1}(27) \)?
34 out of 60
35.
Praxis Algebra I (5162) Practice Test: Functions
Which of the following is the graph of the function \( f(x) = -|x| + 3 \)?
35 out of 60
36.
Praxis Algebra I (5162) Practice Test: Functions
What is the end behavior of the function \( f(x) = x^3 - 2x^2 + x \)?
36 out of 60
37.
Praxis Algebra I (5162) Practice Test: Functions
Which of the following is not a possible output for the function \( f(x) = \frac{x^2 - 4}{x - 2} \)?
37 out of 60
38.
Praxis Algebra I (5162) Practice Test: Functions
Which of the following is the equation of a function whose graph is symmetric about the y-axis?
38 out of 60
39.
Praxis Algebra I (5162) Practice Test: Functions
What is the vertex of the parabola defined by the function \( g(x) = -2(x - 1)^2 + 3 \)?
39 out of 60
40.
Praxis Algebra I (5162) Practice Test: Functions
For the function \( g(x) = \frac{1}{x - 1} - \frac{2}{x + 1} \), what is \( g(0) \)?
40 out of 60
41.
Praxis Algebra I (5162) Practice Test: Functions
The function \( f(x) = \frac{2x - 1}{x + 2} \) has what kind of discontinuity at \( x = -2 \)?
41 out of 60
42.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
What is the probability of drawing a red card or a queen from a standard deck of 52 playing cards?
42 out of 60
43.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
If the interquartile range of a data set is 12, and the first quartile is 8, what is the third quartile?
43 out of 60
44.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
Find the standard deviation of the data set: 3, 7, 7, 9, 11.
44 out of 60
45.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
If \( x \) is inversely proportional to \( y \), and \( y = 2 \) when \( x = 3 \), what is the value of \( y \) when \( x = 6 \)?
45 out of 60
46.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
If \( f(x) = 2x^2 + 3x - 5 \), find \( f(-3) \).
46 out of 60
47.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
What is the coefficient of variation for a data set with a mean of 20 and a standard deviation of 5?
47 out of 60
48.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
What is the 20th term of the arithmetic sequence where \( a_1 = 3 \) and \( a_2 = 7 \)?
48 out of 60
49.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
A bag contains 4 red, 3 blue, and 5 green marbles. What is the probability of drawing a blue or green marble?
49 out of 60
50.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
If the odds in favor of an event are 4 to 1, what is the probability of the event occurring?
50 out of 60
51.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
The function \( f(x) = \frac{1}{x-2} \) is undefined for what value of \( x \)?
51 out of 60
52.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
If \( a \) and \( b \) are the roots of the equation \( x^2 - 5x + 6 = 0 \), what is \( a^2 + b^2 \)?
52 out of 60
53.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
What is the equation of the line that passes through the points \( (2, 3) \) and \( (4, -1) \)?
53 out of 60
54.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
A box contains 6 red, 4 blue, and 5 green balls. What is the probability of randomly selecting a red or a green ball?
54 out of 60
55.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
If \( f(x) = x^3 - 2x + 1 \), find the value of \( f(-2) \).
55 out of 60
56.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
What is the 15th term of the arithmetic sequence 5, 9, 13, ...?
56 out of 60
57.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
What is the equation of the parabola with focus \( (4, 3) \) and directrix \( y = 1 \)?
57 out of 60
58.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
A die is rolled twice. What is the probability of getting a 4 on the first roll and a 6 on the second roll?
58 out of 60
59.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
If the range of a set of data is 20 and the lowest value is 15, what is the highest value in the set?
59 out of 60
60.
Praxis Algebra I (5162) Practice Test: Number and Quantity; Probability and Statistics
What is the equation of the circle with center at \( (3, -2) \) and radius 4?
60 out of 60