3 years ago

What is the equation of the line that passes through the point (−8,1) and has a slope of -3/4?

Mathematics

1 answer:

Marrrta [24]3 years ago

6 0

Answer:

y-1=-3/4(x+8)

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept,

y-y1=m(x-x1)

y-1=-3/4(x-(-8))

y-1=-3/4(x+8)

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When you multiply a function by -1, what is the effect on its graph?

Dafna1 [17]

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Answer:

B. The graph flips over the x-axis

Step-by-step explanation:

When you plot the coordinate pair (x, y), you plot the point 'y' units above the x-axis. If you change the sign of that (multiply the function by -1), then the point becomes (x, -y), and is plotted 'y' units below the x-axis.

The graph flips over the x-axis.

Attached is an example of a function with its original graph (red) and the graph after being multiplied by -1 (blue). The blue graph is a reflection of the red graph across the x-axis.