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kirza4 [7]
2 years ago
10

What is an equation of the line that is parallel to y = 9- 4x and passes through (0, 7)​

Mathematics
1 answer:
kkurt [141]2 years ago
3 0

Answer:

y = -4x + 7

Step-by-step explanation:

Since they are parallel they must have the same gradient which is -4

y = mx + c

m = -4

x = 0

y = 7

7 = -4 × 0 + c

c = 7

y =  - 4x + 7

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Based on the coordinates of triangle RST, we can infer that triangle RST is <u>not a right-angled triangle. </u>

<h3>Is triangle RST a right-angled triangle?</h3>

For this to be a right-angled triangle, the Pythagoras theorem has to apply where:

Largest side² = Side A² + Side B²

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RS² = (4 - 2)² + (4 - 3)²

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We can see that:

18 ≠ 17 + 5

This is therefore not a right-angled triangle.

Find out more on the Pythagoras theorem at brainly.com/question/343682.

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