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8_murik_8 [283]

4 years ago

6

Which is one way to check 102 divided by 6 =17

2 answers:

Svetradugi [14.3K]4 years ago

8 0

6 multiplied by 17 is a way to check it

snow_lady [41]4 years ago

6 0

Multiply 6 and 17 and see if it equals 102

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Graph the equation y=−x²−8x−15 on the accompanying set of axes. You must plot 5 points including the roots and the vertex.

s2008m [1.1K]

Answer:

Plot these points

(-3,0)

(-5,0)

(-4,1)

(-2,-3)

(-6,-3)

Step-by-step explanation:

Let find the zeros of the equation.

We can factor this equation.

Factor out the -1.

$- 1( {x}^{2} + 8x + 15)$

Factor using AC method

$- 1(x + 3)(x + 5)$

Set all the terms equal to zero.

$x + 3 = 0$

$x + 5 = 0$

$x = - 3$

$x = - 5$

So our x intercepts are -3,0 and -5,0.

To find our vertex, apply the -b/2a.

$\frac{8}{ - 2} = - 4$

Then

Substitute-4 for x.

$y = - {4}^{2} - 8( - 4) - 15 = 1$

So our vertex is at (-4,1).

Find some other points like -2 and -6.

To find -2, substitute-2 into the quadratic.

$y = - ( { - 2}^{2}) - 8( - 2) - 15 = - 3$

So -2,-3.

Since y=-4 is the axis of symmetry

-6,-3

5 0

3 years ago

Standard form. (x+8)(x−6)

vovikov84 [41]

Answer:

x² + 2x - 48

Step-by-step explanation:

( x + 8 ) ( x - 6 )

= x ( x - 6 ) + 8 ( x - 6 )

= x*x - 6*x + 8*x + 8*( - 6 )

= x² - 6x + 8x - 48

= x² + 2x - 48

4 0

1 year ago

Read 2 more answers

Find the area? Helppp helpppp

Yuki888 [10]

Xhkalsndhdilekehdjhsowlwsks

3 0

3 years ago

Marcos is 7 years older than his sister, Rosa. The sum of their ages is less than 3 times Rosa's age. How old is each?

jeyben [28]

Answer:

The sum of their ages is 1 less than 3 times Rosa's age.

15 + 8 = 3(8) - 1

Step-by-step explanation:

4 0

3 years ago

4. A survey found that of 26 food restaurants, 13 were pizza parlours, 9 did not sell alcohol, and 7 were pizza

ICE Princess25 [194]

Answer: 16/13

Step-by-step explanation:

Facts:

Total: 26 restaurants

Pizza parlors: 13

9/13 do not sell alcohol

7/13 do not sell alcohol

Total probability (not serving alcohol): 16/13

8 0

2 years ago