Linear Relations

Consider the equation $y=9x$`y`=9`x`.

a

What is the value of $9x$9`x` when $x=-4$`x`=−4?

b

Does $\left(-4,-36\right)$(−4,−36) lie on the line $y=9x$`y`=9`x`?

No

A

Yes

B

Easy

Less than a minute

Consider the equation $y=-6x$`y`=−6`x`.

Consider the equation $y=6x+4$`y`=6`x`+4.

Consider the equation $y=-6x+7$`y`=−6`x`+7.

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Graph lines by hand, using a variety of techniques