Final Review

^{Find the missing side}

• 2.25

• 6.44

• 6.69

• 7.69

Do the segment lengths 15, 12, and 9 form a right triangle?

• Yes

• No

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8
• 4.8 x 10²
• 4.08 x 10²
• 4.08 x 10^-15

Add (3.4 x 10⁵) + (1.2 x 10⁴)

• 3.52 x 10⁵
• 4.6 x 10⁹
• 1.54 x 10⁵

Simplify

(2x⁸)³

• 2x¹¹

• 6x²⁴

• 8x²⁴

• 2x²⁴

Simplify

x ⁻⁶

• 1 ⁄ x⁶

• x⁶

• -x⁶

• -1 ⁄ x⁶

Determine the point of intersection

4x + 8y = 20

-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Solve:
y = 7x + 9
2y + 2x = -18

• (5, 0)
• (9, 18)
• (-2, -5)
• (1, 16)

Find the solution.
-3x + 3(-5x + 3) = -171

• x = 10
• x = 15
• Infinite Solutions
• No Solution 

Find the solution.
13 - (2x + 2) = 2(x + 2) + 3x

• x = 9
• x = 1
• Infinite Solutions
• No Solution