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Cloud [144]
4 years ago
5

Graph the equation on the coordinate plane.

Mathematics
2 answers:
Paraphin [41]4 years ago
3 0
-1,0 and 0,4 put the line through the points. hope this helps you
marusya05 [52]4 years ago
3 0
Y = 4x + 4......so u have a slope of 4 and a y int of (0,4)

the x int can be found by subbing in 0 for y and solving for x
0 = 4x + 4
-4x = 4
x = -4/4
x = -1......and ur x int is (-1,0)

so go ahead and plot ur intercepts (0,4) and (-1,0)
start at (-1,0) and since u have a slope of 4......go up 4 spaces and to the right 1 space....plot that.....then up 4 and to the right 1....plot that...keep doing this and u will have crosses the y axis at (0,4).....connect ur plotted points and u have ur line.

Now if u want to find some points on ur line, just do some subbing....assign x a number and solve for y
y = 4x + 4......lets say x = 1
y = 4(1) + 4
y = 4 + 4
y = 8......so one point on ur line is (1,8)

y = 4x + 4.....lets say x = 2
y = 4(2) + 4
y = 8 + 4
y = 12....another point is (2,12)

u can keep doing this to find points or u can just graph it like I told u how above
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What is the answer to <br> -2x+2(5x+18)=-4
adell [148]

Answer:

x = -5

Step-by-step explanation:

-2x+2(5x+18)=-4

The first thing you would have to do is distribute the positive 2 with 5x and 18 so that means you would multiply those two number inside the parenthesis.

-2x+ 10x+ 36=-4              2(5x)=10x     2(18)=36

Now you combined like terms on the other side of the -4. So since -2x and 10x are like terms because of the variables you would do -2x+10x=8x. So now your equation is 8x+36=-4. So now you want you x by itself so you would subtract 36 on both sides so positive 36 subtracted by 36 is 0 now you subtract 36 to -4 so that equals -40 because you did -4-36=-40. So now you have 8x=-40 so now you divide both sides by 8x so -40/8=-5

x=-5

7 0
3 years ago
How to evaluate a piecewise function ?
8090 [49]

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Step-by-step explanation:

5 0
3 years ago
-2/3 x -9/8 x -4/5 x -1
Lerok [7]

Answer: 0.6

Step-by-step explanation: First, you want so seperate the equations in parenthesis to make solving the equation easier.

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So (-2/3x-9/8x) equals -11/24x

And  -11/24x-4/5x equals -151/120x

So -151/120x-1 ends up being 0.6.

5 0
3 years ago
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