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WorksheetsMath 9 (Elimination)
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
A parabola has a vertex at (-3,2). Where is the axis of symmetry?
a)
y = -2
b)
x = 3
c)
x = -3
d)
y = 2
2.
If a,b and c are real and b2−4ac<0 , then the roots of the equation are
a)
Real roots
b)
Real and equal
c)
Real and unequal
d)
No real roots
3.
In the quadratic formula, the expression b2−4ac is called
a)
Dicriminant
b)
Numerator
c)
Divisor
d)
Denominator
4.
When factoring
x2 - 4x + 4 = 20,
what goes in the blank?
(x - __ )2 = 20
x2 - 4x + 4 = 20,
what goes in the blank?
(x - __ )2 = 20
a)
4
b)
2
c)
8
d)
20
5.
Find the missing value "c" to create a perfect square trinomial:
x2 – 8x + ___
x2 – 8x + ___
a)
-4
b)
16
c)
4
d)
8
6.
The consecutive angles of a parallelogram are
a)
Complementary
b)
Supplementary
c)
Equal
d)
None
7.
Sum of four angles of any Quadrilateral is
a)
180
b)
270
c)
360
d)
None
8.
What is the value of a in the equation (w+8)(w+5)=14?
a)
1
b)
8
c)
5
9.
In equation x2−5x+10=0 , what is the value of a?
a)
−5
b)
1
c)
10
10.
Is
(w+8)(w+5)=14
a Quadratic Equation or Not?
a)
Quadratic Equation
b)
Not Quadratic equation
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