WorksheetsYear 9 - Substitution into Formulae, Expression
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Find the value of x2+5 when x=0.2
a)
5.04
b)
9
c)
5.4
d)
7
2.
Find the value of 1000T3 when T=0.1
a)
100
b)
1
c)
10
d)
3
3.
Find the value of 9+m2 when m=−3
a)
12
b)
15
c)
18
d)
0
4.
Find the value of 10r2+2r−4 when r=0.2
a)
4
b)
3.2
c)
0
d)
−3.2
5.
Find the value of 4W2+1+W when W=−1
a)
4
b)
−4
c)
6
d)
5
6.
Find the value of 5p+2p2+20 when p=−10
a)
150
b)
170
c)
190
d)
210
7.
Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a2 + c2
2a2 + c2
a)
22
b)
34
c)
68
d)
43
8.
P = 5x – 5.
Find the value of P when x = 4.
a)
20
b)
15
c)
30
d)
25
9.
t = 3 + 5b
When b = 2
Work out the value of t.
a)
13
b)
10
c)
8
d)
15
10.
The perimeter of a rectangle is given by
p =2a + 2b
p= perimeter
What is the value of p when a = 3m and b= 2m?
a)
12m
b)
10m
c)
14m
d)
20m
100 %
