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lbvjy [14]
3 years ago
14

Find the value of x if y = -14, m = -2, and b = -2 in the formula y = mx + b.

Mathematics
1 answer:
posledela3 years ago
8 0

Answer:

Step-by-step explanation:

y = -14, m = -2, b = -2

-14 = -2(x) + -2

-14 = -2x + -2

-12 = -2x

Divide by -2.

x = 6

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15 point question. please help
uysha [10]
(2,3) , (0,-3) , (-2,1) are the points. 
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5 0
3 years ago
PLEASE HELPPPPP
dsp73

Answer:

see explanation

Step-by-step explanation:

the equation of parabola in vertex form is

y = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier.

here (h, k ) = (3, 1 ) , then

y = a(x - 3)² + 1

to find a substitute any other point on the graph into the equation.

using (0, 7 )

7 = a(0 - 3)² + 1 ( subtract 1 from both sides )

6 = a(- 3)² = 9a ( divide both sides by 9 )

\frac{6}{9} = \frac{2}{3} = a

y = \frac{2}{3} (x - 3)² + 1 ← in vertex form

------------------------------------------------------

the equation of a parabola in factored form is

y = a(x - a)(x - b)

where a, b are the zeros and a is a multiplier

here zeros are - 1 and 3 , the factors are

(x - (- 1) ) and (x - 3), that is (x + 1) and (x - 3)

y = a(x + 1)(x - 3)

to find a substitute any other point that lies on the graph into the equation.

using (0, - 3 )

- 3 = a(0 + 1)(0 - 3) = a(1)(- 3) = - 3a ( divide both sides by - 3 )

1 = a

y = (x + 1)(x - 3) ← in factored form

3 0
2 years ago
How do you find the area of a circle?​
sveta [45]

Answer:

A=πr^2

Step-by-step explanation:

A=Area

r=Radius

5 0
3 years ago
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What is the solution to 4m-4+4m
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Answer:

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Step-by-step explanation:

4m - 4 + 4m = ?

4m + 4m = 8m

- 4 + 8m is the answer because you can not simplify it anymore.

7 0
3 years ago
What is the answer for 7.42 ÷ 1.75 = ______
Colt1911 [192]

Answer:

4.24

Step-by-step explanation:

6 0
3 years ago
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