Algebra lab review

Simplify:

5(3x+2)

• 3x+10

• 15x+10

• 15x-10

• 3x-10

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

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

Factor GCF:

16x² + 18x + 12

• 4(4x² + 6x + 3)

• 2(8x² + 9x + 6)

• 2x(8x + 9 + 3)

• x(16x + 18 + 12)

Multiply:
(3x – 1)(x + 5) 

• 3x² + 4x + 5
• 3x² + 4x - 5
• 3x² + 14x + 5
• 3x² + 14x - 5

 Multiply:     (r + 7)(r − 7) 

• r ² − 49 
• r ² + 14
• r ² − 7r + 49 

Factor:  x² + 13x + 30

• (x + 3)(x + 10)
• (x + 5)(x + 6)
• (x + 2)(x + 15)
• (x + 1)(x + 30)

• -2, 4
• -8
• ±8
• No real solution

Simplify the expression. 
(6x²)(-3x⁵)

• 18x⁷
• -18x⁷
• 18x⁷
• 3x⁷

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

• 3x² + 2x + 1
• 2x² + 3x +1
• 2x² + 5x - 7
• 3x² + 4x⁵ -7x

Factor: x² – 5x – 24

• (x - 5)(x + 19)
• (x - 8)(x + 3)
• (x - 3)(x + 8)
• (x - 19)(x + 5)