You do y2 minus y1 over x2 minus x1. so it would be 5-3 over 2-1. the slope is 2.
I think you forgot to add the rest of the question
Answer:
<h2>z = 5</h2>
Step-by-step explanation:
-0.25z= -1.25
Convert the decimals to improper fractions
That's
<h3>

</h3><h3>

</h3>
So we have
<h3>

</h3>
Multiply through by 4
We have
- z = - 5
Divide both sides by - 1
the final answer is
<h3>z = 5</h3>
Hope this helps you