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WorksheetsRPA 10x1 solving quadratics 2
Total questions: 10
Worksheet time: 2hrs 32mins
Name
Class
Date
1.
Solve
4m2 - 100 = 0
4m2 - 100 = 0
a)
m=25, -25
b)
m=96
c)
m=5, -5
d)
m=-96
2.
Solve
2x2 + 17x + 21 = 0
2x2 + 17x + 21 = 0
a)
x= -21/2, -17
b)
x= 2/3, 16
c)
x=-7, -3/2
d)
x=15, -3/7
3.
Solve by taking square roots:
k2 - 6 = 43
k2 - 6 = 43
a)
k = √37
b)
k = 37 or - 37
c)
k = 7, k = -7
d)
no solution
4.
Solve by taking square roots:
5b2 - 4 = 41
5b2 - 4 = 41
a)
b = 9, b = -9
b)
b = 3, b = -3
c)
b = 8, b = -8
d)
no solution
5.
solve:
4x2+16x+15=0
4x2+16x+15=0
a)
-5/2,-3/2
b)
(2x+5)(2x+3)
c)
-10,-6
d)
5/2, 3/2
6.
What is the standard form for a Quadratic?
a)
ax2+ bx = - c
b)
x = -b ± √(b2-4ac) / 2a
c)
ax2 + bx + c
d)
y = mx + b
7.
Find the roots of this quadratic.
a)
b=4/5, b=3
b)
b=4, b=-3
c)
b=1/5, b=3
d)
b=4/5, b=-3
8.
a)
-4, 2
b)
-2, 4
c)
-16
d)
-4
9.
a)
-3, 4
b)
3, 4
c)
-4, -3
d)
-3
10.
m2-10m=0
a)
m=0 and m=-10
b)
m=1 and m=10
c)
m=0 and m=10
d)
m=1 and m=-10
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