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Praxis 7813-Math Questions and Answers Latest Version with Certified Solutions
Simplify: 3x + 4x
✔✔ 7x
Evaluate when x = 5: 2x + 3
✔✔ 13
Solve for x: x + 9 = 14
✔✔ x = 5
Factor: x² + 5x
✔✔ x(x + 5)
What is the value of 2(x + 3) when x = 4?
✔✔ 14
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Solve: 3x = 18
✔✔ x = 6
What is the greatest common factor of 12 and 18?
✔✔ 6
Combine like terms: 5a + 2a - 3a
✔✔ 4a
If 5x = 45, what is the value of x?✔✔ x = 9
What is the least common multiple of 6 and 8?
✔✔ 24
What is the opposite of -7?
✔✔ 7
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Solve: x/4 = 3
✔✔ x = 12
Evaluate: 4² - 3 × 2
✔✔ 10
What is the coefficient in the term 7x?
✔✔ 7
Is -2 an integer?✔✔ Yes
What is the absolute value of -15?
✔✔ 15
If y = 3, what is the value of y² + 2y?
✔✔ 15
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Simplify: 3(x + 2)
✔✔ 3x + 6
Distribute: -2(4x - 1)
✔✔ -8x + 2
Factor: 9x + 12
✔✔ 3(3x + 4)
Evaluate: (6 + 4) ÷ 2
✔✔ 5
Solve for x: 4x - 2 = 10
✔✔ x = 3
What is the square root of 64?
✔✔ 8
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