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Maths (Foundation)
Algebraic manipulation
Starter quiz
Try it
Give to class
What is the value of
x
for
3x + 5 = 2(x - 2)
?
'-9' ✓
What is the value of
x
for
\frac{5x + 15}{3} = \frac{2x - 2}{2}
?
'-9' ✓
What is the positive value of
x
for
x^2 - 4x - 12 = 0
?
'6' ✓
Rearrange for
x
:
3y - x = 15
?
x = 3y + 15
x = 15 - 3y
x = 3y - 15
✓
Make
b
the subject for
a + 2b = 10
b = \frac{10-a}{2}
✓
b = \frac{a-10}{2}
b = \frac{a}{20}
Make
p
the subject of
\frac{2p + q}{3} = 4
p = 4 - \frac{q}{3}
p = 6 - \frac{q}{2}
✓
p = 2q + 12
+