Review for CFA 2

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

What's the solution to:

 $y=\left|x+2\right|-3$  and  $y=x^2-7$  

• x = -2  and x = 3

• x = -3  and x = 2

• y = -2  and y = 3

• y = -3  and y = 2

Simplify 3⁴ ⋅ 3⁷

• 3²⁸

• 3³

• 3^-3

• 3¹¹

5³⋅5⁴

• 5⁷
• 5⁻¹
• 5¹²
• 5

Simplify (8⁵)³

• 8⁸

• 8¹⁵

• 8²

• 1/8²

(2⁸)²

• 2¹⁶
• 2¹⁰
• 2⁶
• 2⁴

Simplify 6^-4

• 6⁴

• 1/6⁴

• 1/6

• 6²

3⁻⁴

• 1 ⁄ 3⁴
• -3⁴
• 3⁴
• 1 ⁄ 12

Write the expression in exponential form:
√23

• 23^1/2
• 23^-1/2
• 23²
• 23^-2