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kifflom [539]
3 years ago
9

Which is a solution to the equation y=2x-5?

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
7 0

Answer:

C. (1, -3)

Step-by-step explanation:

Plug in the x to get the y in the equation. The point must fit the formula.

Plug in C. (1, -3), in which x = 1, y = -3:

(-3) = 2(1) - 5

Simplify:

(-3) = 2(1) - 5

-3 = 2 - 5

-3 = -3 (True).

C is your answer.

~

Zigmanuir [339]3 years ago
4 0

your answer would be c) 1,-3

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Step-by-step explanation:

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2 years ago
Which of the following are solutions to 2x^2-8x-90? select all that apply.
Lyrx [107]
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2x2 + -8x + -90 = 0

Reorder the terms:
-90 + -8x + 2x2 = 0

Solving
-90 + -8x + 2x2 = 0

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Factor out the Greatest Common Factor (GCF), '2'.
2(-45 + -4x + x2) = 0

Factor a trinomial.
2((-5 + -1x)(9 + -1x)) = 0

Ignore the factor 2.
Subproblem 1:

Set the factor '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -1x = 0 + 5

Combine like terms:
-5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5

Combine like terms:
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Divide each side by '-1'.
x = -5

Simplifying
x = -5

Subproblem 2:

Set the factor '(9 + -1x)' equal to zero and attempt to solve:

Simplifying
9 + -1x = 0

Solving
9 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + -1x = 0 + -9

Combine like terms:
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Combine like terms:
0 + -9 = -9 -1x = -9

Divide each side by '-1'.
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Solution
x = {-5, 9}</span>
8 0
2 years ago
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the answer is D. all of the above

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3 years ago
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Since we're solving for a line perpendicular to it, we simply find the reciprocal of the 2 (It turns into 1/2) and make it negative.

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Since the given states that the new y-intercept is 10, input it into 'b'.

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4 0
2 years ago
What is the slope of the line on the graph?
Bogdan [553]
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This is your answer! Hope this helps comment below for more questions :)
3 0
3 years ago
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