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zysi [14]
3 years ago
15

Can some one help me on this please and thank u

Mathematics
1 answer:
Andrei [34K]3 years ago
4 0
Y=mx+b
m=slope
b=y intercept


y=4x+5
positive slope means that it goest from bottom left to top right

crosses y axis at y=5

also since slope is more than 1, it goes up steeply

answe ris 2nd optoino
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Given a polynomial p(x)=0, which two expressions could be a pair of irrational roots of the equation square root 2-3, 2-square r
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  2-square root 3, 2+ square root 3

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What is the area of the two rectangles shown below?
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<em><u>For the first one:</u></em>

The total area of both shaded and unshaded portions is equal to 3x(4x+7), which simplifies to 12x^2}+21x. The area of the middle white portion is (5x)(2x), which simplifies to 10x^2. To find the area of the shaded portion, we do 12x^2}+21x - 10x^2. Combining like terms, we get 2x^2+21x as our expression for the area of the shaded portion of the first rectangle.

<u><em>For the second one:</em></u>

The total area of both shaded and unshaded portions is equal to 6n(8n+14), which simplifies to 48n^2}+84n. The area of the middle white portion is 10n(4n+1), which simplifies to 40n^2+10n. To find the area of the shaded portion, we do 48n^2+84n-40n^2+10n. Combining like terms, we get 4n^2+94n as our expression for the area of the shaded portion of the second rectangle.

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LuckyWell [14K]

Answer:

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Step-by-step explanation:

for questions like these, the slope is always defined as the change in y over the change in x or use the equation m=y2-y1/x2-x1.

x1=7 and y1=1

x2=-3 and y2=9

now plug these numbers in to the equation. m= 9-1 / -3-7 Or m= 8/-10 simplified to m= -4/5

now that we have the slope you can plug it in to the equation y=mx+b and get y= -4/5 + b.

to find b, the y-intercept, you can use either of the two points and the answer will be the same. for this one, I'll use (7,1).

1= -4/5 x 7+b. b= 33/5

HOPE THIS HELPS!!

5 0
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