brendanbieker2
Answered

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Which equation represents the relationship in the graph?

giving brainliest!!!

Which Equation Represents The Relationship In The Graph Giving Brainliest class=

Sagot :

A，the intercept is equal to 70
semsee45

Answer:

a)  [tex]y=-5x+70[/tex]

Step-by-step explanation:

Choose points on the line:  (0, 70) and (4, 50)

Let [tex](x_1,y_1)[/tex] = (0, 70)

Let [tex](x_2,y_2)[/tex] = (4, 50)

Use the slope formula to find slope: [tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\implies m=\dfrac{50-70}{4-0}=-5[/tex]

Use point-slope form of linear equation to find equation:

[tex]\implies y-y_1=m(x-x_1)[/tex]

[tex]\implies y-70=-5(x-0)[/tex]

[tex]\implies y=-5x+70[/tex]

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