Question

which equation in point slope form correctly represents zadas pay in dollars, y, when she works x hours?

Answer 1

ANSWER

The correct answer is A

$y-68=2(x-4)$

EXPLANATION

We were told that Zada is paid at an hourly rate of $$12$ per hour.

The unit rate of payment represents the slope of the straight line graph that models Zada's earnings. Thus $m=12$

When she works for 4 hours she earns a total of $68 tells us that the point,$(4,68)$ lies on the model straight line.

Using the formula for the point slope form

$y-y_1=m(x-x_1)$

we obtain the equation as follows.

$y-68=2(x-4)$