Initial quiz Alg 2

Solve for x.

2x + 1 = 5

• x = 2

• x = 1

• x = 3

• x = 13

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

Give the x-intercept
3x + 8y = 24

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)

Give the solution to the system

• (3,1)
• (1,3)
• (-1,3)
• (0,3)

State whether this is a function or not a function.

• Function
• Not a Function

Simplify the exponential expression.

• 2x⁶y¹²
• 2x⁵y⁷
• 8x⁶y¹²
• 8x⁵y⁷

Are these functions inverses?

• Yes
• No

Are the blue and red graphs inverse functions?

• yes
• no
• no way to tell

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1

What is the DOMAIN of the graph?