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anyanavicka [17]
3 years ago
5

What is the equation for the line that has a slope of -2 and a y-intercept of (0,9)?

Mathematics
1 answer:
VMariaS [17]3 years ago
7 0

Answer:

y=-2x+9

Step-by-step explanation:

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-9=-3(x+2)<br>solve for x <br>show steps
lianna [129]

SimplifyOkie dokie so first things first, you have to get rid of those parentheses! To do this you use the distributive property. -3(x+2) is the same thing as -3(x)+-3(2). that and you get -9=-3x-6. So you want to get x by itself to be able to find what x is, so you add 6 to both sides of the equation to get rid of the -6. So then you get -3=-3x. Then you must divide both sides by the coefficient of x, which would be -3. When you divide both sides by -3 you get -3/-3=x, which is the same thing as 1=x. Hope this helped!

4 0
3 years ago
Read 2 more answers
Plot the line for the equation on thr graph. y-2=-2(x+4)​
julia-pushkina [17]

Answer:

see attached

Step-by-step explanation:

y-2=-2(x+4)​

y -2 = x(-2) + 4(-2)

y -2 = -2x - 8

y = -2x - 8 + 2

y = -2x - 6

When  x = 0, y = -6. Hence (0,-6) is a point on the line

when y = 0, x = -3. Hence (-3,0) is a point on the line.

Plot these 2 points and connect with a line (see attached)

6 0
3 years ago
What is the midpoint of FB
Kaylis [27]

Point L is the midpoint

The midpoint is halfway between the two points. In this case, Point F and Point B are 10 units away from each other. The midpoint is the distance between the points (10) divided by 2.

4 0
2 years ago
Read 2 more answers
Which scatter plots shows a nonlinear association
aliya0001 [1]

Answer:

Graph B.

Step-by-step explanation:

this is nonlinear because you cannot connect or create a line with where the dots are plotted if that makes sense.

hope this helps!

8 0
3 years ago
Two supplementary angles have measures of 9x degrees and 3x degrees. What is the measure of the longer angle?
strojnjashka [21]
9x+3x=180 by def. of supplementary
12x=180
12/12x=180/12
x=15

9x=9(15)=135°
5 0
3 years ago
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