Praxis 7813-Math Questions and Answers Latest Version with Certified Solutions

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




1

,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




2

,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




3

, 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




4