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valentinak56 [21]
2 years ago
5

Identify the slope and y-intercept of the given graph.

Mathematics
1 answer:
qaws [65]2 years ago
5 0

Answer:

the slope is -1/2 and the y- intercept is 2

Step-by-step explanation:

math

way

( no space needed)

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What are the solutions to the following system?
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The solutions are (\sqrt{2},-1) \text { and }(-\sqrt{2},-1).

Solution:

Given equation:

-2 x^{2}+y=-5

Add 2 x^{2} on both sides.

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y=-5+2 x^{2} -------- (1)

y=-3 x^{2}+5 (given)  -------- (2)

Equate (1) and (2).

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Add 5 on both sides.

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Divide by 5 on both sides, we get

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Taking square root on both sides, we get

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Substitute x=\sqrt{2} in (1).

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

y=-5+4

y=-1

Substitute x=-\sqrt{2} in (1).

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

y=-5+4

y=-1

Therefore the solutions are (\sqrt{2},-1) \text { and }(-\sqrt{2},-1).

Option C is the correct answer.

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The correct steps are:

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Since 19 is multiplying the variable, to eliminate it we have to divide by 19.

v = 76/19

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B. This equation has one solution. It’s v=4

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