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diamong [38]
3 years ago
15

Write an equation for a line that is parallel to the graph of y = -3x + 6 and passes through the point at (-4, 7)

Mathematics
1 answer:
ale4655 [162]3 years ago
4 0
Y = -3x + 6....the slope here is -3. A parallel line will have the same slope.

y = mx + b
slope(m) = -3
(-4,7)....x = -4 and y = 7
now we sub into the formula and find b, the y int
7 = -3(-4) + b
7 = 12 + b
7 - 12 = b
-5 = b
so ur parallel equation is : y = -3x - 5 <==
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3 years ago
Write the fraction in simplest from 8/10
AleksandrR [38]

Divide common factors from both numerator and denominator.

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7 0
3 years ago
Read 2 more answers
Solving systems equations by elimination
pishuonlain [190]
I won't answer them all for you (don't want to cheat - need to learn something).
But for the first one given:

<span>-2x-9y=-25
-4x-9y=-23

you set up either x or y (which ever one you want to eliminate) so that one of them cancels.
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3 0
3 years ago
James spent $(2y2 + 6). He bought notebooks that each cost $(y2 − 1).
CaHeK987 [17]
The expression to find the number of notebooks James bought would be written as:

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</span><span>If y = 3, then the number of notebooks bought would be:

</span>Number of notebooks = (2y^2 + 6) / (y^2 − 1)
Number of notebooks = (2(3)^2 + 6) / (3^2 − 1)
Number of notebooks = 3 pieces<span>
</span><span>
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Otrada [13]

Step-by-step explanation:

x² + y² − 8x + 10y − 8 = 0

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To complete the square, take half of the x and y coefficients, square it, then add the result to both sides.

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Factor the squares:

(x − 4)² + (y + 5)² = 49

The center is (4, -5) and the radius is 7.

6 0
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