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2 years ago

Which of the following is NOT true about the following equation. y= -4

Mathematics

1 answer:

Alex Ar [27]2 years ago

6 0

Answer:

Answer is D.

Step-by-step explanation:

Which is not true?

So, lets assess the answers given to the question.

A. It is the equation of a horizontal line.

Yes, it is. Since there is only one y - value which is y = -4, we can confirm this is the y intercept, so therefore the x value is zero. But it's not the answer we're looking for.

B. It's slope is zero, yes the slope is zero. It only lists the y-intercept which confirms that the slope is 0.

C. Yes, I mean i can't really explain how. Just use desmos calculator, the graph is exactly perpendicular.

D. The line actually does cross the x-axis, -4 is the y intercept and the x value is 0, and zero is still a point. So D is the one which isn't correct making it the correct answer.

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In a right triangle, the measure of one acute angle is 12 more than twice the measure of the other acute angle. Find the measure

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Given:

In a right triangle, the measure of one acute angle is 12 more than twice the measure of the other acute angle.

To find:

The measures of the 2 acute angles of the triangle.

Solution:

Let x be the measure of one acute angle. Then the measure of another acute is (2x+12).

According to the angle sum property, the sum of all interior angles of a triangle is 180 degrees. So,

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$x=\dfrac{78}{3}$

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Therefore, the measures of two acute angles are 26° and 64° respectively.

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Which of the following is NOT true about the following equation. y= -4​

Which of the following is NOT true about the following equation. y= -4