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Liono4ka [1.6K]
3 years ago
5

100 POINTS FOR THIS QUESTION!!!!. I NEED THIS ASAP.

Mathematics
2 answers:
Anarel [89]3 years ago
7 0

From the graph , we can see that the line of the graph passes through the points ,

(0,0)

(-1,0)

( 2, 0 )

(3,0)

These are the roots of the equation. The point on which the graph cuts the x axis are the roots of the graph . Here since the graph cuts x axis 4 times , it has 4 roots as ,

-1

2

0

3

Equation of the graph :-

\implies f(x) = x ( x +1)(x-2) ( x-3)

drek231 [11]3 years ago
4 0

Answer:

-  {x}^{2}  (x + 1)(x - 2)(x - 3)

Step-by-step explanation:

We first have to create the roots of the graph. This can the done by creating factors based on the x intercepts as shown in the equation above. We have to make sure we change the signs of the x intercepts in order to create zeros.

We then have to square (x+0) because it does not completely cross the x axis. Finally we we multiply everything by -1 because the graph is starting from the top.

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Answer:

The equation of a line through (5 -3) that is parallel to y = 1/2 x+3 is

y = - 2 x  + 7

Step-by-step explanation:

Let us assume the slope of the line whose equation we need to find is m 1.

The line parallel to the needed line  is:   y=1/2x+3

Comparing it with the general form: y = m x + C

we get m 2 = 1/2

Now, as Line 1 is Perpendicular to Line 2.

⇒ m 1 x m 2  = -1

⇒ m 1 x ( 1/2)  = -1

⇒ m 1  = - 2

Also, the point son the line 1 is given as: (x,y)  = (5,-3)

Put the value of point and Slope in y = m x + C to find the value of Y- INTERCEPT.

we get: -3 = (-2) (5) +  C

or, C = -3 + 10 = 7

⇒ C = 7

The general line equation is given as:  y = m x + C

Substituting  the values of C and m, we get:

y = - 2 x  + 7

Hence, the equation of a line through 5 -3 that is parallel to y = 1/2 x+3 is

y = - 2 x  + 7

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X+3=15 what’s x because I keep on getting 18 and it says I’m wrong on Pearson
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Answer:

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Step-by-step explanation:

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Please help! this is hard for me!
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Answer:

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Step-by-step explanation:

Think of the original rate of pay as being 100%.

If your rate is increasing by 7%, it will now be 107% of the original rate (since 100% + 7% = 107%)

To find 107% of $11.50, convert 107% into a decimal

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then multiply this by the original rate to get the new increased rate:

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Rounding this to the nearest hundred = $12.31

Alternatively, you can find 7% of $11.50 and then add this to $11.50.

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