Unit 1 Test Review

The sum of seven and twelve

• 7 + 12
• 12 - 7
• 12 x 7

Translate to an algebraic expression.

twice the sum of 70 and m

• 2(m + 70)

• 2⋅70 + m

• 2(70 - m)

• 70 + m ⋅ 2

Evaluate when x = 15,

2(x -8)

• 14

• 7

• 22

• 30

Evaluate 8a - b     if a = 10   and   b = 6

• 74
• 38
• 1000
• 9000

• -2.84

• 2.84

• 67.3

• 5.67

Find the product:
(5n-8)(5n+8)

• 25n²-64
• 10n²
• 5n²+16
• 16

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Multiply.
(b+3)(b²+2b+1)

• b³+6b²+6b+3
• b³+5b²+7b+3
• 4b³+8b²+3b
• 3b³+6b²+3b

(5x⁴ - 4x³ - 2x² + x - 19) - (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ - 9x³ - 10x² - 24
• 4x⁴ - 9x³ - 10x² - 2x - 24
• 4x⁴ - 9x³ - 10x² + 2x - 24
• -4x⁴ - 9x³ - 10x² - 24