Algebra Practice Test 2

1. M is 8 more than a second number. Which of the following represents the second number?
A) M - 11
B) M - 8
C) M + 8
D) M + 17
2. Which pair of equations does NOT have a common solution?
A) x + y = -14x - 3y = 24
B) 4x + 6y = 12 6x + 9y = 12
C) 2x - 3y = -4 2x + y = 4
D) 5x - 4y = 9 x - 2y = -3

3. 24 × - 8 = ?
A) 8x
B) 8(3x - x)
C) 8(3x - 1)
D) 8(3x - 8)
4. (2x - 5y)² = ?
A) 4x² - 25y²
B) 4x² -10xy + 25y²
C) 4x² + 20xy - 25y²
D) 4x² - 20xy + 25y²
5. (9 - 7) - ( 7 - 9) = ?
A) 0
B) 4
C) -4
D) -14

6.(5√3x)² = ?

A) 15x²
B) 45x²
C ) 75x²
D) 75x
7. 4x/5 - 2x/3 + x/2 = ?
A) 3x/30
B) x/10
C) 19x/30
D) 19/30
8. Which of the following is equal to x² - 10x + 24?
A) (x - 4)(x + 6)
B) (x + 4)(x - 6)
C) (x - 4)(x - 6)
D) (x + 4)(x + 6)
9. 3x² - 15x = ?
3x
A) x - 5x
B) x - 5
C) x² - 5x
D) x² - 5
10. Which of the following equals 12x?
A) 6x × 6x
B) 13² - x
C) -8x + 20x
D) 12 + x


 

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