2 years ago

Equation that passes through the points (-1,0)(0,2)

1 answer:

7 0

1. Find the slope.

2. Plug the slope you found in step 1, one of the given points, and plug both into the point-slope formula.

The point-slope formula is:

y - y_1 = m(x - x_1)

3. Solve the point-slope formula for y.

Your final answer must be in the form

y = mx + b

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Please explain how to do and set up

In-s [12.5K]

using the Cosine rule in ΔSTU

let t = SU, s = TU and u = ST, then

t² = u² + s² - (2us cos T )

substitute the appropriate values into the formula

t² = 5² + 9² - (2 × 5 × 9 × cos68° )

= 25 + 81 - 90cos68°

= 106 - 33.71 = 72.29

⇒ t = $\sqrt{72.29}$ ≈ 8.5 in → A