2 years ago

Coordinates of the vertex for the parabola y=x^2+6x-7

Mathematics

1 answer:

zheka24 [161]2 years ago

6 0

Answer:

(-3, -16)

Step-by-step explanation:

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Answer:

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1 year ago

Find three points with integer valued coordinates that solve the equation -2x-3y=-7

Evgesh-ka [11]

Answer:

Step-by-step explanation:

We have the equation of the line in the standard form:

$Ax+By=C$

Convert to the slope-intercept form:

$y=mx+b$

$-2x-3y=-7$ <em>add 2x to both sides</em>

$-3y=2x-7$ <em>divide both sides by (-3)</em>

$y=-\dfrac{2}{3}x+\dfrac{7}{3}$

for x = -1

$y=-\dfrac{2}{3}(-1)+\dfrac{7}{3}=\dfrac{2}{3}+\dfrac{7}{3}=\dfrac{2+7}{3}=\dfrac{9}{3}=3\to(-1,\ 3)$

for x = 2

$y=-\dfrac{2}{3}(2)+\dfrac{7}{3}=-\dfrac{4}{2}+\dfrac{7}{3}=\dfrac{-4+7}{3}=\dfrac{3}{3}=1\to(2,\ 1)$

for x = 5

$y=-\dfrac{2}{3}(5)+\dfrac{7}{3}=-\dfrac{10}{3}+\dfrac{7}{3}=\dfrac{-10+7}{3}=\dfrac{-3}{3}=-1\to(5,\ -1)$

5 0

2 years ago

If 72 x 96 = 6927, 58 x 87 = 7885, then 79 x 86 = ?

MariettaO [177]

79 x 86 is equal to 6,794.

If this helps, please mark me Brainliest!

Have a great day!

8 0

2 years ago

The slope is -4, and it passes through ( 5, 8). a. y = -4x + 8 c. y = -4x - 12 b. y = -4x + 28 d. y = -8x + 28

andrew-mc [135]

Slope=delta y/deltax-4=(y-8)/(x-5)y-8=-4x+20y=-4x+28answer is B

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3 years ago

Please help plsplspslspl

Alenkasestr [34]

Answer:it is 39

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers