3 years ago

What is the function rule for the line

Mathematics

1 answer:

ivolga24 [154]3 years ago

7 0

Answer:

The function rule is f(x) = 4x - 2.

Step-by-step explanation:

Using the points (2,6) and (0,-2) we see that the slope is

(6 - -2) / (2-0) = 8/2

= 4

Using the slope-intercept form y = m x + c (where m = slope and c= y-intercept we see that :-

f(x) = 4x - 2

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3 years ago

Expand and simplify 5(x-1)-3(x+4)

ludmilkaskok [199]

Question:

Expand and simplify 5(x - 1) - 3(x + 4)

Answer:

1.) Use the distributive property to solve this equation:

5(x - 1) = 5x - 5

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2.) Put it in the equation:

5x - 5 - 3x + 12

3.) Group them:

5x - 3x - 5 + 12

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3 years ago

Read 2 more answers

Which statement is true about the equations –3x + 4y = 12 and 1/4x –1/3 y = 1?The system of the equations has exactly one soluti

iren [92.7K]

Answer:

The system of the equations has no solution; the two lines are parallel.

Step-by-step explanation:

The equations have the same slope. In standard form, this can be seen as the same coefficients for x and y. We will multiply the second equation by -12 to reveal this.

$\frac{1}{4} x-\frac{1}{3}y=1 \\-12(\frac{1}{4} x-\frac{1}{3}y=1)\\\frac{-12}{4} x-\frac{-12}{3}y=-12\\-3x+4y=-12$