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Gnesinka [82]
3 years ago
5

Determine the intercepts of the function f(x)=2x^2+18x+28

Mathematics
1 answer:
Sonja [21]3 years ago
7 0
The intercepts are -2 and -7 on the x-axis
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Given points A (-8,7) and B (6, -9), find the midpoint, M
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Hey there! I'm happy to help!

To find the x value of the midpoint, you add the 2 x values and divide by 2.

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4 years ago
Using a graph, table of values, and/or equations solve the following problem.
katovenus [111]

Answer:

L= 117.0

Step-by-step explanation:

Represent the sofa with S and the love seat with L.

So, we have:

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S = 2L

Required

Determine the value of L

Substitute 2L for S in the first equation.

2L + L = 351

3L= 351

Divide both sides by 3

\frac{3L}{3}= \frac{351}{3}

L= \frac{351}{3}

L= 117.0

<em>Hence, a love seat costs 117.0</em>

<em></em>

<u>Using Graph</u>

See attachment for graph

S is plotted on the y-axis and L is on the x-axis.

The green line represents S + L = 351 while the orange line represents S = 2L

When the line of the graph is traced to the x-axis, we have:

L= 117.0

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