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alukav5142 [94]
2 years ago
5

A line includes the points (-3, -8) and (9, 4). What is its equation in slope-intercept form?

Mathematics
1 answer:
liubo4ka [24]2 years ago
8 0

Answer:

Answer is in the photo :)

Step-by-step explanation:

Hope it helped

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7. Write an equation for the line that is parallel to the given line and that passes through the given point.
Vlad1618 [11]

Answer:

C. y = 1/2x - 14

Step-by-step explanation:

Find the slope of the original line and use the point-slope formula  y − y 1 = m ( x − x 1 )  to find the line parallel to  y = 1 /2 x − 8 .

y = 1 /2 x − 14                              PARALLEL

...................................................................................................................................................

Find the negative reciprocal of the slope of the original line and use the point-slope formula  y − y 1 = m ( x − x 1 )  to find the line perpendicular to  y = 1 /2 x − 8 .

y = − 2 x − 29                               PERPENDICULAR

8 0
2 years ago
Solve the equation 9 = y + 4<br> Which step can you use to solve the equation 9 = y + 4 ?
Ne4ueva [31]
Subtract 4 from both sides, y = 5
4 0
3 years ago
1. Is triangle ABC a right triangle? Why or why not?
Vlad [161]

Answer:

1) Yes it has a 90° angle at point B.

2) No it has no points of 90° angles. Even though point y looks like it, the line from y to x is not straight like an L from line y to z.

Hope this helps! If so please mark brainliest and rate/heart to help my account if it did!!

3 0
3 years ago
Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r
boyakko [2]

Answer:

Step-by-step explanation:

y=59(0.59)ˣ

As the number under the exponent is less than 1, this is a decay function.

Value of y will be decreased by (1.00 - 0.59)100 =  41% for each unit increase in x.

3 0
3 years ago
What does Descartes's Rule of Signs tell you about the real roots of the polynomial? –2x3 + 3x2 – 5x – 2 = 0 a. There is one pos
Over [174]
The count the number of times the sign changes
that is how many positive roots there are
if you get a number that is ≥2, then count down by 2's ending at 0

sub -x for x and evaluate
count change in sign again
that is how many negative roots there are
if you get a number that is ≥2, then count down by 2's ending at 0


so

-2x^3+3x^2-5x-2=0
-,+,-,-
 1  2 
2 or 0 positive roots


x to -x
2x^3+3x^2+5x-2=0
+,+,+,-
       1
1 negative root



2 or 0 positive roots and 1 negative root


D is answer
7 0
3 years ago
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