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3 years ago

Graph the equation y = x^2 – 6x + 8 on the accompanying set of

Mathematics

1 answer:

MariettaO [177]3 years ago

7 0

Step-by-step explanation:

when y is 0 x is 2 and 4

(2,0) (4,0)

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Which of these systems of equations shows the solution for the graph?

I am Lyosha [343]

Answer:

Step-by-step explanation:

Note that one of the lines is simply y=-1 for any x, so we can dismiss the only answer without y=-1. That rejected answer is A)

Now let's notice, that the other line is decreasing y when increasing x. That tells us that in the equation y = ax + b, a has to be negative. This brings us to reject option D).

What is the y of that line for x = 0? Because y = ax + b, for x = 0 we will get the value of b. This is called the intercept. The line is at y=4 for x=0, so we know that the b in the equation must be positive 4. This fits answer C, but rejects answer B). And so, we have found that C) is the only possible answer.

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3 years ago

Jacob\ makes\ a\ scale\ drawing\ for\ a\ crate\ with\ a\ scale\ factor\ \ of\ 1:20,\ The\ Dimentions\ of\ his\ scale\ drawing\ a

timama [110]

I'm sorry but what was the question? Uploading the Image would be helpful.

7 0

3 years ago

The diagram shows a dilation. Which dilation does it represent? What is the scale factor?

Tasya [4]

Answer:

which dilation does it represent?:

enlargement

which is the scale factor?:

Step-by-step explanation:

i did the assignment and got it correct

5 0

3 years ago

Read 2 more answers

1/2x + x + 1/5y + y = 32

NeTakaya

(1/2)x + x + (1/5)y + y = 32

(3/2)x + (6/5)y = 32

4 0

3 years ago

HELP ASAP PLEASE

Roman55 [17]

Answer:

a. median is 8

b. first quartile is 7

c. third quartile is 9.5

d. below

e. below

Step-by-step explanation:

7, 10, 10, 6, 7, 8, 8, 7, 9.

Place number in order least to greatest

6, 7, 7, 7, 8, 8, 9, 10, 10

a. What is the median?

The median is the middle number in a data set

number of terms in data set (n) + 1 / 2 =

9 + 1 / 2 = 10 / 2

6, 7, 7, 7, 8, 8, 9, 10, 10

The median is 8

b. What is the first quartile?

Q1 is the central point between the smallest score and the median

6, 7, 7, 7

since there is even number of data points you find the average,

7 + 7 / 2 = 14 / 2 = 7

c. What is the third quartile?

Q3 is the central point between the median and the largest score

8, 9, 10, 10

since there is even number of data points you find the average,

9 + 10 / 2 = 19 / 2 = 9.5

d. Draw a box plot of the data.

below

e. Write two conclusions about the data shown in the box plot.

There are no outliers with a minimum of 6 and a maximum of 10. The Interquartile Range is 2.5 (9.5 - 7)

3 0

2 years ago