Alg Reason: Chapter 7 Quiz

Suppose y=2x²-3x+4 Find the value of y when x=2

• 6

• 8

• 4

• 16

Suppose y=x²-3x+4 Find the value of y when x=-2

• -4

• 4

• 14

• -12

Suppose y=2x²-3x+4 Find the value of y when x=-1

• 9

• -9

• 6

• 3

Suppose y=x²-3x+4 Find the value of y when x=0

• 4

• 12

• 3

• 7

Suppose y=-x²-3x+4 Find the value of y when x=2

• 6

• 14

• 4

• -2

If $f\left(x\right)\ =\ 9x\ +\ 12$  , find the value of  $f\left(-3\right)$   

• 39

• 15

• 12

• -15

if  $g\left(x\right)=2x^2-9x+12$  , for what value of x does g(x) = 23?

• 23

• -1

• 1

• 0

Graph the equation y = -2x – 5 on the TI-84 calculator. Find the value of x when y = -9.

• 2

• -7

• 2

• 7

Evaluate f(t)=-2t²+ 1 for f(-3)

• 19
  
• 37
• -17
• -11

Evaluate f(-5) if f(x) = -2x - 12

• -22
• -2
• -19
• -5