Question

What is the slope of the line?

y + 1 = 3 (x - 4)

A. 1/3
B. -4/3
C. -3/4
D. 3

Answer 1

y+1=3(x-4)

Multiply the bracket by 3

y+1=3x-12

Follow y=mx+b Move +1 to the other side. Sign changes from +1 to -1

y+1-1=3x-12-1

y=3x-13

Slope=m = 3

b= y-intercept=-13

Answer: Slope=m=3- D.

Answer 2

Answer:

D. 3

Step-by-step explanation:

In the Point-Slope Formula, y - y₁ = m(x - x₁), m represents the rate of change [slope], which in this case is 3.

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