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almond37 [142]
3 years ago
13

The points(0,2) and (4,-10) lie on the same line and the points (-5,-3) and (2,11) lie on another line. Determine by graphing wh

ere these lines intersect. A) (-9,-11) B) (-3,3) C) (-2,4) D) (-1,5)
Mathematics
1 answer:
joja [24]3 years ago
3 0
You are asked to do this problem by graphing, which would be hard to do over the Internet unless you can do your drawing on paper and share the resulting image by uploading it to Brainly.

If this were homework or a test, you'd get full credit only if you follow the directions given.

If <span>The points(0,2) and (4,-10) lie on the same line, their slope is m = (2+10)/(-4), or   m =-3.  Thus, the equation of this line is y-2 = -3x, or y = -3x + 2.

If </span><span>points (-5,-3) and (2,11) lie on another line, the slope of this line is:

m = 14/7 = 2.  Thus, the equation of the line is y-11 = 2(x-2), or y = 11+2x -4, or y = 2x + 7.

Where do the 2 lines intersect?  Set the 2 equations equal to one another and solve for x:

</span>y = -3x + 2 = y = 2x + 7.  Then 5x = 5, and x=1.

Subst. 1 for x in y = 2x + 7, we get y = 2(1) + 7 = 9.

That results in the point of intersection (2,9).

Doing this problem by graphing, on a calculator, produces a different result:  (-1,5), which matches D.

I'd suggest you find and graph both lines yourself to verify this.  If you want, see whether you can find the mistake in my calculations.

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3 0
4 years ago
The length of a rectangular garden is 15 feet longer than its width. if the area of the garden is 154 square feet, what are the
Advocard [28]
The length would be 22 ft.
The width would be 7 ft.
A=lw
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3 years ago
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boyakko [2]

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4 ounces

Step-by-step explanation:

46/92 is one half so the recipe out of 100 is divided in half

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8000 at .095 for 10 years what's the monthly payment
Yuliya22 [10]

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760 a month

Step-by-step explanation:

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7 0
3 years ago
HELPPP !!! ILL MARL BRAINLIST
almond37 [142]

Answer:

Hi there!

Your answers are:

1) 2^4 = 2×2×2×2 = 16

2) 2^3= 2×2×2= 8

3) 2^2 = 2×2 = 4

4) 2^1 = 2

5)2^0 = 1

6)2^ -1 = .5

7) 2^ -2 = .25

8) 2^ -3 = .125

9) 2^ -4= .0625

Hope this helps

3 0
3 years ago
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