Expand And Factorize Quadratic Expressions
For Questions 1 to 5, expand each quadratic expression.
1.
( a + 2 ) ( a + 3 )
A
a
2
+ 2a + 3
B
a
2
+ 5a + 6
C
2a + 3a
2.
( 2a + 4 ) ( a + 5 )
A
2a
2
+ 4a + 9
B
8a + 5
C
2a
2
+ 14a + 20
3.
( a - 2 ) ( a - 3 )
A
a
2
+ 5a - 6
B
a
2
- 5a + 6
C
- 5a
4.
( a + 3 ) ( a + 3 )
A
a
2
+ 6a + 9
B
a
2
+ 3a
C
6a
5.
( a - 5 ) ( a + 5 )
A
a
2
- 5a - 25
B
- 10a
C
a
2
- 25
For Questions 6 to 10, factorise each quadratic expression.
6.
a
2
+ 7a + 10
A
( a + 2 ) ( a + 5 )
B
7a - 10
C
( a + 7 ) ( a + 10 )
7.
a
2
- 3a - 10
A
- 3a - 10
B
( a - 5 ) ( a + 2 )
C
( a + 5 ) ( a - 2 )
8.
a
2
- 10a + 25
A
( a - 5 )
2
B
( a + 5 ) ( a - 5 )
C
( a - 10 )
2
9.
a
2
- 25
A
( a + 5 )
2
B
( a - 5 )
2
C
( a - 5 ) ( a + 5 )
10.
a
2
- 100
A
( a - 10 )
2
B
( a - 10 ) ( a + 10 )
C
( a + 2 ) ( a + 10 )
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Q10:
Correct Answers
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Q10:
Xcelerate Math
Number
Algebra
Measurement
Geometry
Statistics
Probability
