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3 years ago

Use the data to select the correct line plot. Then answer the question.

Mathematics

1 answer:

8090 [49]3 years ago

3 0

Answer:

Step-by-step explanation:

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In the graph above, the coordinates of the vertices of QPR are Q(3, 0), P(5, 6), and R(7, 0). If AQPR is reflected across

ozzi

Answer:

D. (7, 0)

Step-by-step explanation:

The rule for a reflection over the y-axis is (x, y) → (x, -y)

This means that the x-values stay the same while the y-values change.

Q(x, y) → (x, -y)

Q(3, 0) → (3, 0)

Q'(3, 0)

P(x, y) → (x, -y)

P(5, 6) → (5, -6)

P'(5, -6)

R(x, y) → (x, -y)

R(7, 0) → (7, 0)

R'(7, 0)

Therefore, the correct answer is D.

Hope this helps!

7 0

3 years ago

Karen operates a hot dog stand. On Wednesday she used 9 1/3 bags of hot

trapecia [35]

<h2>Explanation:</h2>

We know that Karen operates a hot dog stand. So we have:

On Wednesday:

$\text{She used} \ 9 \frac{1}{3} \ \text{bags of hot dog buns.}$

On Thursday:

$\text{She used} \ \frac{1}{3} \ \text{as many hot dog buns as on Wednesday}$

Therefore, if x is the amount of hot dog buns she used on Thursday, then:

$x=\frac{1}{3}(9\frac{1}{3}) \\ \\ x=\frac{1}{3}\times 9+\frac{1}{3}\times \frac{1}{3} \\ \\ x=\frac{28}{9}$

Therefore, on Thursday she used 28/9 bags of hot dog buns.

6 0

3 years ago

Use this equation : y=6-4x

xenn [34]

Answer:

For table :

X------Y

0------6

1------2

Figure show equation of line: y=6-4x

Step-by-step explanation:

Given equation is y=6-4x

To plot the equation of line, we need at least two points.

Take x=0

The respective value of y on line is

y=6-4x

y=6-4(0)

y=6

The required point is A(0,6)

Take x=1

The respective value of y on line is

y=6-4x

y=6-4(1)

y=2

The required point is B(1,2)

For table :

X------Y

0------6

1------2

Figure show equation of line: y=6-4x

3 0

3 years ago

If charlie decides to ride her bike and goes 18 km west at a velocity of 0.13 km/s west, how long would it take her to reach her

xenn [34]

Moves 0.13 km for every second.
18/0.13 = 138.46 seconds.

8 0

3 years ago

What are the real zeros of f(x) = x^3 +2x^2-5x-6

netineya [11]

First of all Horner
First we try with -3
1. 2. -5. -6.
-3. 3. 6
1. -1. -2. 0
To verify: -3^3+2*-3^2+15-6=0

Now we have this equation
(X+3)*(x^2 - x -2)=0

I dont know If you know sum and product but that is the easiest way so sum= 1 product = 2 so 2 and -1 are the answers.
You can do this too by this way : b^2-4ac= D
X= (-b(+or-)d^1/2)/2a

So all the zeros
2, -1 and -3
If you want more explanation, send me a comment x

8 0

4 years ago