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2 years ago

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What is the pre-image of vertex A' if the rule that created the image is ry-axis(x, y) → (–x, y)? A(–4, 2) A(–2, –4) A(2, 4) A(4

, –2)

2 answers:

aev [14]2 years ago

8 0

do you have a picture

mote1985 [20]2 years ago

3 0

the answer is A on eng.

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nexus9112 [7]

The measure of angle RML is of 130º.

<h3>What is the value of x?</h3>

Angle NML is the sum of angles NMR and RML, hence:

NML = NMR + RML.

The given measures of the angles are:

NML = 156º.

NMR = 26º.

Hence we can solve the equation for RML to find the measure of angle RML, as follows:

NML = NMR + RML

156 = 26 + RML

RML = 130º.

The measure of angle RML is of 130º.

A similar problem, in which the measures of the angles are calculated, is given at brainly.com/question/25716982

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2 years ago

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4 If angle A = x + 5, angle B = 2x – 35, and angle C = 3x,<br> what is the value of x

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Need more information. Is this a triangle? Can you attach a picture?

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matrenka [14]

Answer:

4. Slope of function B = -slope of function A

Step-by-step explanation:

Given:

Function A is given as:

$F(x)=-2x+1$

The above equation is of the form $y=mx+b$ , where $m$ represents slope of the line.

Therefore, on comparing the function A with the above standard form, er conclude that, slope of function A is -2.

Now, from the graph of function, we consider any two points on the graph and determine the slope of the line using the two points.

Let us consider the points $(x_1,y_1)=(1.5,0)\ and\ (x_2,y_2)=(3,3)$

Now, the slope of the line passing through these two points is given as:

$m_B=\frac{y_2-y_1}{x_2-x_1}=\frac{3-0}{3-1.5}=\frac{3}{1.5}=2$

Therefore, slope of function B is 2.

Therefore, the correct relation between the slopes of the two functions is that the slope of function B is negative of the slope of function A.

$m_B=-(m_A)=-(-2)=2$

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