Question

hassan and jenny are also climbing the stairs in th
$x$: number of minutes
$y$: number of steps

what does the equation $y = 15x$ tell you?
jenny starts at the $\boldsymbol{▲}$ and climbs up $\boldsymbol{?}$ $\boldsymbol{◆}$ute.
options:
bottom
15th step
30th step

Explanation:

Step1: Interpret linear equation form

The equation $y=15x$ follows the linear form $y=mx$ (no y-intercept, so starting value is 0, which corresponds to the bottom of the stairs). Here, $m=15$ is the rate of change.

Step2: Match variables to context

$x$ = minutes, $y$ = steps. The coefficient of $x$ is the number of steps climbed per minute.

Answer:

Jenny starts at the bottom and climbs up 15 steps per minute.