Substitute Into Expressions
Substitute
a = 2
,
b = 3
and
c = –1
into each of the following expressions and then evaluate.
1.
a + 5
A
3
B
7
C
10
2.
ab
A
5
B
1
C
6
3.
ab + c
A
5
B
6
C
–6
4.
3a – 2c
A
8
B
1
C
–1
5.
a – 4b
A
-3
B
–4
C
–10
6.
2 (3a + b)
A
5
B
18
C
–5
7.
c (2a + b)
A
5
B
–7
C
0
8.
3abc
A
–18
B
3
C
6
9.
ac + 5bc
A
–17
B
–15
C
13
10.
bc (b – 5)
A
9
B
6
C
–5
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Q10:
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Xcelerate Math
Number
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