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3 years ago

HELP I NEED HELP ASAP FIND THE SLOPE AND Y-INTERCEPT OF THE TABLE.

Mathematics

1 answer:

Murljashka [212]3 years ago

4 0

I don’t know about the slope but the Y-Intercept is just the Y.

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3 years ago

A line passes through the points (7, 3) and (8, 3). What is its equation in slope-intercept form?

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Answer:

y=3

Step-by-step explanation:

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3 years ago

What are the solutions of the equation?

yKpoI14uk [10]

Answer:

Option (b) is correct.

The solution of the quadratic equation $x^2+4x=21$ is -7 and 3

Step-by-step explanation:

Consider the given quadratic equation $x^2+4x=21$

This can be rewritten as, $x^2+4x-21=0$

We can solve the quadratic equation using middle term splitting method,

4x can be written as 7x-3x , we get,

$\Rightarrow x^2+4x-21=0$

$\Rightarrow x^2+7x-3x-21=0$

Taking terms common, we get,

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Thus, $\Rightarrow (x-3)(x+7)=0$

Thus, we get (x-3)= 0 or (x+7)= 0

this gives x = 3 or x = -7

Thus, the solution of the quadratic equation $x^2+4x=21$ is -7 and 3

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3 years ago