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2 years ago

2x + 5y = 10 i need the slope and y-intercept

Mathematics

2 answers:

Korolek [52]2 years ago

6 0

Answer:

Slope: $-\frac{2}{5}$

Y-intercept: 2

Step-by-step explanation:

We have to isolate y;

2x + 5y = 10

5y = -2x + 10

y = $\frac{-2x + 10}{5}$

y = $-\frac{2}{5} x + 2$

Hope this helps!

ankoles [38]2 years ago

3 0

Y intercept is found by having the x value equal 0 (and vise versus for x intercept) so 5y=10 or simplified y=2
Then you have to find the x intercept (2x=10 and or x=5) then it’s just run over rise (2/5)

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3 years ago

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Question:

1) Blue triangle points; (-1, 4), (-5, 4), and (-1, 1)

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2) Blue triangle points (1, 1), (4, 5), (4, 1)

Red triangle points; (-1, 1), (-1, 4). and (-5, 4)

3) Blue triangle points (0, 1), (4, 4), (4, 1)

Red triangle points; (-4, 1), (-4, 4). and (0, 1)

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5) Blue triangle points (-2, 5), (4, 5), (4, 1)

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Step-by-step explanation:

In a 90° counterclockwise rotation, every x and y points of the original triangle are switched while the y is turned negative, as shown in the following equation;

(x, y) to (-y, x)

Therefore, the triangles that undergo a 90° counterclockwise rotation are as follows;

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Red triangle points; (-4, 1), (-4, 4). and (0, 1)

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(4, 1) → (-4, 1)

Not correctly rotated 90° counterclockwise

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Red triangle points; (1, 1), (4, 1). and (4, 5)

(-5, 4) → (4, 5) ≠ (-4, -5)

(-1, 4) → (4, 1)

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