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Nady [450]
3 years ago
6

20 points !!!!!

Mathematics
1 answer:
ad-work [718]3 years ago
7 0

Answer:

B

Step-by-step explanation:

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What is the equation of the line ,in slope intercept form , that passes through (3,-1) and (-1,5)?
Andre45 [30]

Answer:

First lets find the slope through the points (3,-1) and (-1,5)

m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29 Start with the slope formula (note: (x%5B1%5D,y%5B1%5D) is the first point (3,-1) and (x%5B2%5D,y%5B2%5D) is the second point (-1,5))

m=%285--1%29%2F%28-1-3%29 Plug in y%5B2%5D=5,y%5B1%5D=-1,x%5B2%5D=-1,x%5B1%5D=3 (these are the coordinates of given points)

m=+6%2F-4 Subtract the terms in the numerator 5--1 to get 6. Subtract the terms in the denominator -1-3 to get -4

m=-3%2F2 Reduce

So the slope is

m=-3%2F2

Step-by-step explanation:

3 0
3 years ago
Solve for x<br> pls show work<br> 1/2*(x - -6)= -1
Pavlova-9 [17]

Answer: x = -4

Step-by-step explanation:

1/2 * (x - (-6)) = 1

distribute

1/2x + 3 = 1

isolate the variable

1/2x = -2

x = - 4

5 0
3 years ago
Given the function f(x) = 2(x + 8), find x if f(x) = 12.
mina [271]

Answer:

C.) -2

Step-by-step explanation:

solve by putting 12 in for f(x)

12 = 2(x + 8)

Divide by 2

6 = x + 8

Subtract 8

-2 = x

4 0
3 years ago
Factor completely. x^4 - 9.
tester [92]

Answer:

(x^2+3)(x^2-3)

Step-by-step explanation:

Since both are perfect squares use the difference of squares formula a^2-b^2=(a+b)(a-b) with a = x^{2} and b = 3

=(x^2 +3)(x^2-3)

7 0
4 years ago
Please help me i need the answer asap
timofeeve [1]

Answer:

0.8125

Step-by-step explanation:

See picture!

3 0
4 years ago
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