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3 years ago

Select the quadrant or axis where each ordered pair is located on a coordinate plane

Mathematics

1 answer:

Helen [10]3 years ago

5 0

(-5, 7) - Quadrant II

(8 1/2, -4) - Quadrant IV

(0,5) - y axis

Step-by-step explanation:

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How many solutions does the nonlinear system of equations graphed below have?

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B) 2

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There are 2 points of intersection

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The expression 8 + 2x can be written as _____. 4(2 + x) 2(4 + x) 2(4 + 2x)

kaheart [24]

Answer: 2(4 + x)

Step-by-step explanation:

i just multiplied across the parentheses. we can rule out the first option, because it would multiply out to be 8 + 4x.

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If (-1, y) lies on the graph of y=2^2x then y=

zubka84 [21]

Answer:

y is 1/4 when x is -1 if I did interpret your equation right. Please see that I did.

I believe the equation to be $y=2^{2x}$ . If you meant $y=2^2x$ , please let me know.

Thanks kindly.

Step-by-step explanation:

If (-1,y) lies on the graph of $y=2^{2x}$ , then by substitution we have:

$y=2^{2\cdot -1}$ .

We just need to simplify to determine y:

$y=2^{2 \cdot -1}$

Multiply the 2 and -1:

$y=2^{-2}$

Use reciprocal rule for exponents to get rid of the negative:

$y=\frac{1}{2^2}$

$2^2$ just means $2(2)$ :

$y=\frac{1}{2(2)}$

$y=\frac{1}{4}$ .

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3 years ago