Linear Equations

NZ Level 5

Graphing Straight Lines from Intercepts

Consider the equation $y=-2x$`y`=−2`x`.

a

Find the $y$`y`-value of the $y$`y`-intercept of the line.

b

Find the $x$`x`-value of the $x$`x`-intercept of the line.

c

Find the value of $y$`y` when $x=2$`x`=2.

d

Plot the equation of the line below.

Loading Graph...

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.