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Quadratics
Worded Problems
100
3j=18
j=6
100
4r+6=22
r=4
100
5(m+3)=60
m=9
100
o^2 = 16
0=+-4
100
Construct an equation to represent the following:
Subtract 8 away from triple y to give a result of 13.
3y-8=13
100
7-c=-22
c=29
100
3n-4=17
n=7
100
4(2-x)=-8
x=6
100
j^2=64
j=+-8
100
Construct an equation to represent the following:
The number k is doubled and 4 is added to it to give a result of 20
2k+4=20
200
k-7=-1
k=6
200
2k+3k=15
k=3
200
2(h-9)=-6
h=-3
200
2g^2=72
g^2=+-6
200
Construct an equation to represent the following:
p times p gives the result of 10
p^2=10
300
t/7=-7
t=-49
300
4d-8=-2
d=1.5
300
4(2s+1)=24
s=2.5
300
3u^2-1=74
u^2=+-5
300
Construct an equation to represent the following:
The perimeter of a square is 60cm with equal sides f cm long
4f=60
400
-5p=-60
p=12
400
(3y)/5 =7
y=11.67 (2dp)
400
3(2-i)=24
i=-6
400
x^2-7=-2
x=+-2.24 (2dp)
400
Construct an equation to represent the following:
7 times a number is the same as 9 more than 4 ties the same number
7x=4x+9
500
7f=25
f=3.57 (2dp)
500
3-9a=28
a=-2.78(2dp)
500
-3(2g+4)=32
g=-7.33 (2dp)
500
12+2b^2=72
b=+-5.48(2dp)
500
Construct an equation to represent the following:
The sum of 4 consecutive odd numbers gives a result of 56
4x+12=56