Can someone please help me find the slope, y-intercept, and the equation please? Thank you!!!

Mathematics

2 answers:

Zielflug [23.3K]3 years ago

7 0

Answer:

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SteHey, wanna pair our account on Brainly so we can share the perks? brainly.com/invite/606fb7312bc2ff34fb49b96bd77ce051?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_feed&utm_term=parentp-by-step explanation:

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olga nikolaevna [1]3 years ago

4 0

Answer:

The slope of the line will be 2, the y-intercept will be 8, and the equation will be y=2x+8

Step-by-step explanation:

To find your slope use the formula: y2-y1/x2-x1, when you plug in 2 sets of data, (for the example I will use (10,28) and (2,12)) you will get 28-12/10-2 when you reduce it, you will be left with 16/8 which is equal to 2.

This is the slope of the line, to find the intercept and the equation of the line, use the formula: y=ax+b, where "a" is your slope, and "b" is your intercept.

Since we know the slope, we can plug that into the equation and then choose a data point to calculate your intercept (I will use (10,28)).

so you will have y=2x+b, when you plug int (10,28) you will get 28=2(10)+b

when you solve you will find that b=8.

Now you have your slope and your intercept so your equation will be y=2x+8

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What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).

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Given that the directrix is at y = 4 and the focus is at (0, -4), then the vertex is at (h, k) = (0, 0).
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