A line that includes the points ( 0, z ) and ( 1, 7 ) has a slope of 9. What is the value of z ? z =
1 answer:
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You may notice that all of the terms have a common factor: . So, let's take the
out of all the terms. This gives us:
Using the Zero Product Property, we can say that both and
.
Let's solve both. is obvious, but we still need to solve our other term:
- Set up
- Factor
- Apply the Zero Product Property
Our answer is x = -6, 0, 4.