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Kisachek [45]
3 years ago
8

Factor x^2+6x-16 into the form (x+a)(x-b), what is a and b?

Mathematics
1 answer:
vfiekz [6]3 years ago
8 0

Answer:

a=-8 b=2

Step-by-step explanation:

x^2+6x-16

x^2+(8-2)x-16=0

x^2+8x-2x-16=0

X(X+8)-2(X+8)=0

(X+8)(x-2)=0

Compare with (X+a)(X+b)

Where we get a=-8 b=2

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Please help right now!!!!! Solve the system of equations below. x + y = 7 2x + 3y = 16
motikmotik

Answer:

x=5 and y=2.

Step-by-step explanation:

We have been given a system of equations. We are asked to solve our given system.

x+y=7...(1)

2x+3y=16...(2)

From equation (1), we will get:

x=7-y

Upon substituting this value in equation (2), we will get:

2(7-y)+3y=16

14-2y+3y=16

14+y=16

14-14+y=16-14

y=2

Now, we will substitute y=2 in equation (1).

x+2=7

x+2-2=7-2

x=5

Therefore, the point (5,2) is solution for our given equation.

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4 years ago
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maks197457 [2]

Answer:

\displaystyle Range: Set-Builder\:Notation → [y|-2 ≤ y] \\ Interval\:Notation → [-2, ∞) \\ \\ Domain: Set-Builder\:Notation → [x|-4 ≤ x] \\ Interval\:Notation → [-4, ∞)

Explanation:

<em>See above graph</em>

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6 0
3 years ago
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4 years ago
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liq [111]

Answer:

b or c

Step-by-step explanation:

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Carl and Tamera want to compare their tests in math class. They have taken six tests. Should they use the mean, median or mode t
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Answer:

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Step-by-step explanation:

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