Using the quadratic formula

Give your answers in whole

numbers or decimals, not fractions.

For all the exercises in this homework

use the quadratic formula:

a =       b =      c =

x2 + 15x + 26 = 0

Fill in the blanks

Use the quadratic formula to solve

the equation and fill in the blanks:

 

(put the smallest number first)

x=
x2 + 15x + 26 = 0
or x=
a =       b =      c =
x- 4x + 3.75 = 0

Fill in the blanks

Use the quadratic formula to solve

the equation and fill in the blanks:

 

(put the smallest number first)

x=
x2 - 4x + 3.75 = 0
  or x=
a =       b =      c =
2x+ 6x + 2.25 = 0

Fill in the blanks

Use the quadratic formula to solve

the equation and fill in the blanks:

 

(put the smallest number first)

x=
x+ 6x + 2.25 = 0
  or x=
a =       b =      c =

Fill in the blanks

3x- 12 = 0

Use the quadratic formula to solve

the equation and fill in the blanks:

 

(put the smallest number first)

x=
3x- 12 = 0
  or x=
a =       b =      c =

Fill in the blanks

2x- 5x = 0

Use the quadratic formula to solve

the equation and fill in the blanks:

 

(put the smallest number first)

x=
2x- 5x = 0
  or x=
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