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Maths

Algebra

Basic skills - Test

Look carefully at this graph.

graph with co-ordinates

1.

What letter is at the point with co-ordinates (0, 3)?

2.

What letter is at the point with co-ordinates (-2, 3)?

If y = 3x - 1, then find the value of y in the following instances.

3.

x = 0
y =

4.

x = 2
y =

5.

x = 4
y =

If y = x2 - 3, then find the value of y in the following instances.

6.

x = 0
y =

7.

x = 2
y =

8.

x = 4
y =

Graph y=x^2 + 2

9.

Use the graph above to find the value of x when y = 11.
x =

10.

Use the graph to find the value of x when y = 27.
x =