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3241004551 [841]
4 years ago
12

Between which two ordered pairs does the graph of f(x) = x2 + x – 9 cross the negative x-axis?

Mathematics
1 answer:
NemiM [27]4 years ago
8 0
<span>(-4,0) and (-3,0) = x</span>
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Answer plz for brainliest
kobusy [5.1K]

Answer:

7 units

Step-by-step explanation:

Please refer to the image attached with this answer.

Our initial line was CD  joining points (-1,2) and (6,2).

It is now pulled down by 4 units , to new points

(-1,-2) and (6,-2)

Now we again shift this line by 2 units to the left. The new coordinates thus would be C'(-3,-2) and D'(4,-2)

Hence the distance C'D' = 4-(-3) = 4+3 = 7 UNITS

Hence the length of the line will be 7 units.  

It is observed that the length of the line segment remains the same as it was of the original line. as the translation is uniform.

8 0
3 years ago
Use the Properties of Equality to solve each equation.
Virty [35]
1) answer is 8 because 8 + 7 = 15

2) answer is 8 because 8 + 18 = 26

3) answer is 25 because 25 - 6 = 19

4) answer is -1 because -1 - 3 = -4
4 0
3 years ago
There are 8 red marbles, 5 blue marbles, 11 green marbles, 1 yellow marble in a jar. Suppose one marble is selected at random. P
dmitriy555 [2]

Given:

Number of red marbles = 8

Number of blue marbles = 5

Number of green marbles = 11

Number of yellow marbles = 1

One marble is selected at random.

To find:

The P(red, green or yellow).

Solution:

Number of red, green or yellow marbles = 8 + 11 + 1

                                                                    = 20

Total number of marbles = 8 + 5 + 11 + 1

                                         = 25

The probability of getting a red, green or yellow marble is:

P(\text{red, green or yellow})=\dfrac{\text{number of red, green or yellow marbles}}{\text{Total number of marbles}}

P(\text{red, green or yellow})=\dfrac{20}{25}

P(\text{red, green or yellow})=\dfrac{4}{5}

P(\text{red, green or yellow})=0.8

Therefore, the value of P(red, green or yellow) is 0.8.

3 0
3 years ago
A bag contains 20 marbles of the same size that are blue, green, and red. The probability of picking a blue marble is 20%. The p
kaheart [24]
The probability of picking up a red marble is 30%
3 0
4 years ago
Read 2 more answers
There are 68 marbles in a bin and 50% of the marbles are red.
Soloha48 [4]

Answer:

34 because 50 percent of 68 is 34

7 0
3 years ago
Read 2 more answers
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