Topic 9 - Algebra

Question 1

For simultaneous equations, if the number in front of x isn’t the same, what do you do?

Answer 1

X the WHOLE equation until you get the same number in front of x

Question 2

What kind of answer do you get for simultaneous equations?

Answer 2

An answer for x and an answer of y

Question 3

On a inequality timeline what does a:
Circle filled in mean
Circle not filled in mean

Answer 3

Equal to

Not equal to

Question 4

What does:
≺
≻
≼
≽

Answer 4

Less than
Greater than
Less than and equal to
Greater than and equal to

Question 5

On a graph what does:
≺
≻
≼
≽

Answer 5

Dotted line
Dotted line
Fixed line
Fixed line

Question 6

When solving liner inequalities, what do you do with the inequality sign?

Answer 6

You imagine that it is a equal sign and do what you would normally do with a equation.

Don’t forget to put the inequality sign back at he end

Question 7

In simultaneous equations what do you do if the sign before the number-letter have:
same sign
Different sign

In both equations

Answer 7

= -

= +