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Phantasy [73]
3 years ago
14

X2+2x-15=0 Find the quadratic formula

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
3 0

Answer:

Step-by-step explanation:

For a quadtratic in the form of

ax^{2} + bx + c = 0

The solutions to this can be found using the quadratic formula:

x = \frac{-b \pm \sqrt{b^{2} - 4ac}}{2a}

For the given equation, a = 1, b = 2, c = -15. Plugging these numbers into the formula will give you the answer.

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What is the value of s in the equation 4(2s − 1) = 7s + 12? <br> 12<br> 16<br> 32<br> 34
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3 years ago
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dangina [55]
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3 0
3 years ago
Find the distance between the points given.<br><br> (-3, 2) and (9, -3)<br><br> √(61)<br><br> √(37)
cricket20 [7]

Answer:

d=13.

Step-by-step explanation:

d=\sqrt{(x_{2}-x_{1} ) ^{2} +(y_{2}-y_{1} ) ^{2}}

From question statement, x_{1} =-3   ,x_{2} =9

y_{1} =2  ,y_{2} =-3

put above values in the distance formula,we obtain

d=\sqrt{(9-(-3))^{2}+(-3-2)^{2}}

d=\sqrt{(12)^{2}+(-5)^{2}}

d=\sqrt{144+25}

d=\sqrt{169}

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3 years ago
Which graph best represents the solution to this system of inequalities?
Agata [3.3K]

Answer:

D

Step-by-step explanation:

D is the only graph where the shaded region is on 6 and less.

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