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sergey [27]
3 years ago
12

Find the value of r so that the line that passes through (5, r) and (2, -3) has a slope of 4/3

Mathematics
1 answer:
ZanzabumX [31]3 years ago
6 0

slope = (y2 - y1)/(x2 - x1)

4/3 = (-3 - r)/(2 - 5)

4/3 = (-3 - r)/(-3)

-4 = -3 - r

-1 = -r

r = 1

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skad [1K]

Answer:

option A and B

x=\frac{-7+\sqrt{17}} {4}

and

x=\frac{-7-\sqrt{17}} {4}

Step-by-step explanation:

we have

2x^2+7x+4=0

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

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in this problem we have

2x^2+7x+4=0

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substitute in the formula

x=\frac{-7\pm\sqrt{7^{2}-4(2)(4)}} {2(2)}

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x=\frac{-7-\sqrt{17}} {4}

7 0
3 years ago
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Step-by-step explanation:

Given in the question

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Move term containing r to the left, all term to the right.

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simplifying

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