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Talja [164]
3 years ago
6

Question 3 has got me lost, need help much appreciated

Mathematics
1 answer:
Goshia [24]3 years ago
4 0

Answer:

E. a = 2

Step-by-step explanation:

View Image

The question is asking for what the value of a is for the given polynomial.

They gave you a factor to that polynomial, (x+a), and told you that a can be any real number beside 0.

You might remember that when you factor an equation, all you're doing is finding for what value of x will give you an answer of 0.

This is what you're doing now but in reverse. You're given x+a as a factor, so you know that x=-a will make the function equal 0.

So plug x=-a into the function and solve for a. You'd find that you get a=0 and a=2; however, the question stated that a≠0, so the only answer left is a=2.

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salantis [7]
Use proportions , it helps
8 0
3 years ago
Help me im adding and subtracting integers plssss 40 points!!!!!! for it
Evgen [1.6K]

Answer and Step-by-step explanation:

Simply just adding and subtracting.

8 - 1 - 6 + 5 = 6

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4 0
3 years ago
7,8,9,7,2,5,3,2, 2<br><br> Mean__<br> Median__<br> Mode__<br> Range__
serious [3.7K]

Answer:

Mean: 5

Median: 5

Mode: 2

Range: 7

Step-by-step explanation:

We find the mean by adding all the numbers together to get 45. Then we divide the 45 by the amount of numbers in the set, for this one it is 9. 45 divided by 9 equals 5.

To find the median we put the numbers in the set in order from least to greatest. Next, we find the middle number. median=5

To find the mode we find the number repeated the most. In this set the number that repeats the most is 2.

Range is found by subtracting the largest number and the smallest number. 9-2=7

4 0
3 years ago
(English to algebra) twice K results in three times the sum of k plus one
babymother [125]

i believe its 2k= 3(k+1)

8 0
3 years ago
Given h(x) = -x + 1 find h(0)
g100num [7]

Answer:

1

Step-by-step explanation:

Just replace 0 instead of x and simplify.

5 0
3 years ago
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