3 years ago

5. Write an equation for a line with a slope of -4 and goes through the point (5, -1). Show all work.

Mathematics

1 answer:

Artyom0805 [142]3 years ago

4 0

Answer:

y=-4x+19

Step-by-step explanation:

Plug into point-slope formula

y-y1=m(x-x1)

y-(-1)=-4(x-5)

y+1=-4x+20

-1 -1

y=-4x+19

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Find a polynomial, which, when added to the polynomial 5x2–3x–9, is equivalent to: x2−5x+6

Bess [88]

The required polynomial is: $-4x^2-2x+15$

Step-by-step explanation:

Let P be the polynomial that has to be found

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One polynomial = $5x^2-3x-9$

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So,

$(5x^2-3x-9) + P = x^2-5x+6\\P = x^2-5x+6 - (5x^2-3x-9)\\P = x^2-5x+6-5x^2+3x+9\\P = x^2-5x^2-5x+3x+6+9\\P = -4x^2-2x+15$

Hence,

The required polynomial is: $-4x^2-2x+15$

Keywords: Polynomials, expressions

Learn more about polynomials at:

#LearnwithBrainly

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5. Write an equation for a line with a slope of -4 and goes through the point (5, -1). Show all work.​

5. Write an equation for a line with a slope of -4 and goes through the point (5, -1). Show all work.