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3 years ago

What Values of X will make x2 (Exponent of 2) =16 true? HELPPPPPP!!

Mathematics

1 answer:

Lynna [10]3 years ago

3 0

Answer:

Step-by-step explanation:

Given

x² = 16 ( take the square root of both sides )

$\sqrt{x^2}$ = ± $\sqrt{16}$ ← note plus or minus sign

x = ± 4

Since 4² = 4 × 4 = 16 and

(- 4)² = - 4 × - 4 = 16

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Write an equation for the line described in standard form with x-intercept 4 and y-intercept 5

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Equation $( \frac{5}{4}) x + y = 5$ is in the standard dorm.

Step-by-step explanation:

Here, the x - intercept = 4 , so ( 4,0) is a point on the line.

and the y - intercept = 5, so ( 0,5) is a point on the line.

So, the slope of the equation is given as = $\frac{y_2 - y_1}{x_2-x_1 } = \frac{5 -0}{0-4} = -\frac{5}{4}$

Now, the SLOPE INTERCEPT FORM of an equation is :

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So, the standard form is $( \frac{5}{4}) x + y = 5$

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