___________
Maths
Expressions and equations
Starter quiz
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Give to class
In the expression
x^2+7x+10
the
x^2
, the
7x
and the
10
are all known as what?
Variables
Constants
Terms ✓
Equations
Integers
How do you write
7\times a
using correct algebraic notation?
a \div 7
a^7
a+7
7a
✓
Which of these show a correctly written identity?
a+a+a=a^3
a+a+a\equiv 3a
✓
a+a+a=3a
Match the expressions to their simplified form.
3 \times x
⇔
3x
✓
2 \times x
⇔
2x
✓
x \times x
⇔
x^2
✓
x \times x \times x
⇔
x^3
✓
Which of the below simplifies to
a^3b
?
3 \times a \times b
a \times 3 \times b
a \times a \times b
a \times a \times a \times b
✓
a \times b \times b \times b
Match the expressions to their simplified form.
x \times y
⇔
xy
✓
x \times y \times z
⇔
xyz
✓
y \times z
⇔
yz
✓
y \times z \times z
⇔
yz^2
✓
y \times y \times z
⇔
y^2z
✓
y \times z \times 2
⇔
2yz
✓
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