Answered

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What is the slope of the line through (- 1, - 7) and (3, 9) ?

Choose 1 answer:

A - 1/4

B

- 4

C 4

D 1/4

Sagot :

MathWiz0001

Answer:

C. 4

Step-by-step explanation:

Use the slope formula:

[tex]m=\frac{y2}{x2} -\frac{y1}{x1}[/tex]

m = the slope.

Substitute the values into the formula:

[tex]\frac{9}{3} -\frac{-7}{-1} =\frac{?}{?}[/tex]

Solve:

[tex]\frac{9}{3} -\frac{-7}{-1} =\frac{16}{4}[/tex]

Simplify 16/4:

[tex]\frac{16/4}{4/4} =\frac{4}{1}=4[/tex]

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