3 years ago

What is the slope of the line passing (-3 ,4) and (2, -1)?

Mathematics

1 answer:

alexdok [17]3 years ago

5 0

The slope is -1.

because the slope formula gives you (-1-4)/(2-(-3)) which is -5/5 which also is -1

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3 years ago

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3 years ago

Read 2 more answers

Please help.

kirill115 [55]

we have

$y=-16t^{2} +120$

we know that

When the apple hit the ground the value of y is equal to zero

Find the x-intercept of the function

equate the function to zero

$-16t^{2} +120=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$-16t^{2} =-120$

$t^{2} =-120/-16$

$t^{2} =7.5$

$t=(+/-)\sqrt{7.5}$

$t=(+/-)2.74$

therefore

<u>the answer is</u>

$2.74\ sec$

using a graphing tool

see the attached figure to better understand the problem

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2 years ago