Functions (Graphs and Behaviour)

Hong Kong

Stage 4 - Stage 5

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.

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Easy

Approx 3 minutes

Consider the following graph of a line.

Consider the line with equation: $3x+y+2=0$3`x`+`y`+2=0

Consider the function $y=-\frac{1}{2}x^2$`y`=−12`x`2

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