Everything Maths Grade 10

b)

x 50 100 150 200 250 300

y 1 2 3 4 5 6

3.Create a table of values from the function given and then plot the function. Your table must have at least
5 ordered pairs.
a) x^2 4 b)y= 4x 1

4.Determine they-intercept and thex-intercepts of the function.

a) y= 3 x 5 b)y= 2x+ 4

5.The graph below shows an equation, which has the formy=mx+c. Calculate or otherwise find the
values ofm(the gradient of the line) andc(they-intercept of the line).

 3  2  1 1 2 3 4 5 6

 6

 5

 4

 3

 2

 1

1

2

B

A

x

y

6.Look at the graphs below. Each graph is labelled with a letter. In the questions that follow, match any
given equation with the label of a corresponding graph.

 8  6  4  2 2 4 6 8

 8

 6

 4

 2

2

4

6

8

E

B

C

A

D

F

x

y

a) y= 3 b)y= 3x+ 5 c) y=x d)y= 2x+ 1 e) y=x 4 f)y= 3x 6

Chapter 6. Functions 215