Pretest Algebra

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Simplify:

• 9n³ + 4n
• 7n³ + 6
• -3n³ + 2
• 7n⁶ + 6

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x
• 2x³+6x²+9x
• -2x³-6x²+9x
• 2x³-6x²+9x

6v(2v + 3) 

• 12v+18
• 15v² + 8v
• 12v² + 18v
• 12v² + 18v²

If 2x /4 = 8,  find x

• 16

• 20

• 8

• 14

If x – 5 = 12, find x

• 17

• 10

• 7

• 8

If x = 2 and y = 3, find the value of 4x – 2y

• -2

• 2

• 3

• 4

5d³ - 7d³ + 3d³

• 5d³

• 9d³

• d³

• 2d³

• x = 4

• x = 2

• x = 9

• x = 5

• x = 4

• x = 2

• x = 9

• x = 5