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evablogger [386]
3 years ago
8

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.

Mathematics
1 answer:
Sphinxa [80]3 years ago
5 0

Answer:

C.) subtract to eliminate y

Step-by-step explanation:

Given

9x - 2y = -75

2x - 2y = -12

Subtract to eliminate y

-2y - (-2y) = -2y + 2y = 0

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Complete a table with at least 5 points then graph the following quadratic on the coordinate plane. Identify all zeros.y = -2x2
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Answer:

See attached

Step-by-step explanation:

Given function:

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Table and graph are attached

Zeros are included in the graph

<u>Zero's are obtained:</u>

x = 0 ⇒ y = 8

y = 0 ⇒  Solving quadratic equation

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  • x = -1.108

So zeros are (0, 8), (3.608, 0) and (-1.108, 0)

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Step-by-step explanation:

4 0
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Step-by-step explanation:

To square a number, you multiply it by itself twice.

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Hope it helps! :)

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Step-by-step explanation:

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snow_lady [41]

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