Linear Equations

NZ Level 5

Input and Output tables from Graphs

Consider the following graph:

Loading Graph...

a

Complete the table of values by using the line shown in the graph.

$x$x |
$-1$−1 | $0$0 | $1$1 | $2$2 |
---|---|---|---|---|

$y$y |
$\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ |

b

What is the equation of the line?

Give your answer in gradient-intercept form $y=mx+c$`y`=`m``x`+`c`.

c

Is the line increasing or decreasing?

Increasing

A

Decreasing

B

Increasing

A

Decreasing

B

Easy

Approx 3 minutes

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Relate tables, graphs, and equations to linear and simple quadratic relationships found in number and spatial patterns.