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Worksheets1-12-21 Lesson 2.6 Quadratic formula
Total questions: 10
Worksheet time: 25mins
Name
Class
Date
1.
Solve Using the Quadratic Formula
x2 + 4x - 40 = -8
x2 + 4x - 40 = -8
a)
-10 & -4
b)
-4 & 10
c)
-8 & 4
d)
8 & -4
2.
Use the quadratic formula to solve 2x2 + 2x - 12?
a)
-2, 3
b)
2, 3
c)
2, -3
d)
-2, -3
3.
In the equation
y = x2 +5x +7, match each leading coefficient with its correct letter
y = x2 +5x +7, match each leading coefficient with its correct letter
a)
a=0, b=5, c=7
b)
a=1, b=5, c=7
c)
a=7, b=5, c=1
4.
Solve
2x2 + 7x - 15 = 0
2x2 + 7x - 15 = 0
a)
-1.5 or 5
b)
No Solution
c)
-5 or 1.5
d)
0.7 or 5
5.
Solve using the quadratic formula...
9x2 = 4 + 7x
9x2 = 4 + 7x
a)
x = 2 and x = 3
b)
x = -1 and x = .25
c)
x = 1 and x = -.45
d)
x = 1.16, and x = -.38
6.
How many solutions does the equation 4x2 + 4x + 1 = 0 have?
a)
0
b)
1
c)
2
d)
More than 2
7.
find x for
2x2-8x-24=0
2x2-8x-24=0
a)
x= 6, -2
b)
x= 2, -6
c)
x= 4, 2
d)
x= 2, 6
8.
Solve Using the quadratic formula
a)
A
b)
B
c)
C
d)
D
9.
a)
A
b)
B
c)
C
d)
D
10.
a)
A
b)
B
c)
C
d)
D
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