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2 years ago

8

Question 23 HELP ME PLEASE Write an equation in slope-intercept from for the parallel to y=3x-2 that passes through the point (5

,-2). Type your equation in form y=mx+b

1 answer:

madreJ [45]2 years ago

7 0

Answer:

y = 3x - 17

Step-by-step explanation:

Parallel lines have the same slope so the equation would be y = 3x + b

plugging in the points you get -2 = 3(5) + b

this is -17 = b

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Answer:

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Step-by-step explanation:

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2 years ago

Point P divides the directed segment from A to B in the ratio 9 to 2. The coordinates of point A are

Andreyy89

Answer:

$B =(3.3,1.7)$

Step-by-step explanation:

Given

$A(x_1,y_1) = (-4,-2)$

$P(x,y) = (2,1)$

$m : n = 9 : 2$

Required

The coordinates of $B(x_2,y_2)$

The line segment from ratio is calculated as:

$(x,y) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2 + ny_1}{m+n})$

Substitute: A, P, m and n

$(2,1) = (\frac{9 * x_2 + 2*-4}{9+2},\frac{9*y_2 +2 *-2}{9+2})$

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Multiply through by 11

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By comparison:

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$9x_2 = 22 +8$

$9x_2 = 30$

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$x_2 = 30/9$

$x_2 = 3.3$

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$9y_2 = 11+4$

$9y_2 = 15$

Solve for y2

$y_2 =15/9$

$y_2 =1.7$

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$B =(3.3,1.7)$

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3 years ago

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