1
Q
On a number line, what does an empty circle mean?
A
The value is not included
2
Q
On a number line, what does a filled circle mean?
A
The value is included
3
Q
How do you solve inequalities?
A
Like they are equations
4
Q
What is any number to the power zero?
A
1
5
Q
Define an equation?
A
Something with two expressions either side of an equals sign. If it only has 1 variable, it can be solved.
6
Q
Define a formula
A
A rule showing a relationship between two or more variables.
7
Q
Define a function
A
Gives instructions for turning one number into another
8
Q
What is the subject of a formula?
A
The variable on one side of the equals sign alone.
Year 9 Maths
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