STAAR Review

A quadratic function is given below:  
 f(x) = 6x² + x + 15
What is the value of f(-1)?

• 8
• 22
• 20
• 17

What is the slope of the line containing two points (0,-5) and (1,1) ?

• -6
• 1
• 6
• 5

 Which function best represents the relationship between the quantities in the table? 

• y = 2x + 1
• y = 2x³ + 1
• y = 2x² – 3
• y = 2x² + 4x + 1

How does the graph of y= 2x+3 compare to the graph of y=6x+3?

• The graph of y=2x+3 is steeper than y=6x+3.
• The graph of y=2x+3 is shifted down 4 units from y=6x+3.
• The graph of y=2x+3 is less steep than y=6x+3.
• The graph of y=2x+3 is shifted to the left of y=6x+3.

Which expression is equivalent to
3x (x+2) +2(x+1) ?

• x²+6x+1
• 3x²+8x+2
• 3x²+2x+1
• 8x+2

What expression is a factor of  4x²-36?

• 2x+3
• 2x-6
• x-36
• 2x+18

What is the zero of:
f(x)=3 x-5

• -5
• 1.67
• 2
• 3

Solve for the variable in the equation below:
5t + 34 = -2 (1 – 7t)

• t = -2.75
• t = 4
• t =1.8 
• t= -1.7

Find the slope and     y-intercept of the standard form
-4x + 7y = -28.

• Slope 0.57, y-intercept
   (0, -4)
• Slope -4, y-intercept
   (0, 0.57)
• Slope -0.57, y-intercept (0,-4)
• Slope -4, y-intercept
  (0, 0.57)

What is the
y-intercept of the linear function with the following graph?

• (0,-3)
• (0,8)
• (0,-8)
• (8,0)