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WorksheetsSolving Quadratics 5.6 - 5.8 Review
Total questions: 16
Worksheet time: 1hrs 17mins
Name
Class
Date
1.
Solve.
a)
±81
b)
±9
c)
±3
d)
9
2.
Find the discriminant.
a)
-2, 4
b)
36
c)
-28
d)
6
3.
Solve.
a)
-4, 2
b)
-2, 4
c)
-16
d)
-4
4.
Determine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
a)
a = 4, b = -8, c = 3
b)
a = 4, b = -8, c = -3
c)
a = 4, b = 8, c = 3
d)
a = 4, b = 8, c = -3
5.
9k2 = 225
a)
5 dr
b)
4, -4
c)
25, -25
d)
-5, 5
6.
What should you do first in solving this equation?
x2 + 6x - 13 = 3
x2 + 6x - 13 = 3
a)
Get factored form
b)
Write down: a=1, b=6, c=-13
c)
Make it equal 0 by subtracting 3 on each side
d)
Type it all in a calculator.
7.
Which method is most efficient to solve:
8x2 - 5x = 0
8x2 - 5x = 0
a)
Square Roots
b)
Greatest Common Factor
c)
X-Factor
d)
Quadratic Formula
8.
Solve: 3x2- 6x = 105
a)
7, 5
b)
5, 21
c)
7/3, -5/3
d)
-5, 7
9.
a)
A
b)
B
c)
C
d)
D
10.
a)
A
b)
B
c)
C
d)
D
11.
a)
A
b)
B
c)
C
d)
D
12.
QUESTION 8
a)
A
b)
B
c)
C
d)
D
13.
The discriminant is
a)
ax2 + bx + c
b)
b - 4ac
c)
b2 - 4ac
d)
b2 + 4ac
14.
Solve: 4x2 = 20x
a)
x = 0
b)
x = 5
c)
x = -5
d)
x = 0 and x = 5
15.
Solve: 9x2 + 12x + 4 = 0
a)
2/3 dr
b)
-2/3 dr
c)
2/3, -2/3
d)
3/2, -3/2
16.
Solve
x2 + 14x + 49 = 25
a)
x = -2, x = -12
b)
x = 6, x = 4
c)
x = 2, x = 12
d)
x = -6, x = -8
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