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Citrus2011 [14]
3 years ago
15

HURRY PLEAASEEE. 2x2 – 13x + 24 = 3

Mathematics
2 answers:
Katena32 [7]3 years ago
5 0

Answer:

7/2 and 3

Step-by-step explanation:

using quadratic formula

{-(-13) +- √(-13)^2 - 4(2)(21) } /2(2)

-(-13)+1 / 4 = 7/2

-(-13)-1 / 4 = 3

Svetlanka [38]3 years ago
3 0

Answer: x = 7/2 and 3

Step-by-step explanation: Rewrite and factor

2x² —13x + 21 = 0

(2x - 7)(x - 3) = 0

2x - 7 = 0. x = 7/2

x - 3 = 0 x = 3

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Substitute the values of x from each table and see which values fit 

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Read 2 more answers
F(x) = -3x + 7 ; reflection in the x-axis. Write it out as a function
Otrada [13]

g(x) = f(-x) = 3x+7 is the graph of f(x) = -3x+7 over the x-axis.

Given that,

The function is f(x)=-3x+7

We have to find the g(x).

What is a graph?

A graphic or pictorial depiction of facts or values is referred to as a graph.

What is a reflection across the x-axis?

When we have a point (x, y) and we reflect it over the x-axis, the result of the reflection is the point. Reflection across the x-axis is defined as reflecting a point across where the x-coordinate and y-coordinate change positions (x, -y)

The x-axis is used to determine the graph of f(x) = -3x+7.

So, On the x-axis, the graph of f(x) = -3x+7 is visible.

⇒ g(x) = f(-x) = 3x+7

Therefore, g(x) = f(-x) = 3x+7 is the graph of f(x) = -3x+7 over the x-axis.

To learn more about graph visit: brainly.com/question/17267403

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3 0
1 year ago
Please help me with these questions please I have 12 questions and will reward anyone who helps me with them all this is 10/12
Viktor [21]
12,800 

hope that is right
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