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valkas [14]
3 years ago
7

A function f(x) has x-intercepts of –3 and –5. What is the constant term in the function? f(x) = x2 + 8x +

Mathematics
2 answers:
Serhud [2]3 years ago
7 0
The constant term is 15, because x^2 + 8x+ 15 factors to (x + 3)(x +5). Thus, by the zero rule x = -3 and -5.
r-ruslan [8.4K]3 years ago
7 0

Answer:

I believe the answer is 15.


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Answer:

kg

Step-by-step explanation:

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3 years ago
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Examine the system of equations.
MrMuchimi

answer:

x =  - 2 \\ y = 2 \\  \\ ( - 2, \: 2)

explanation:

y =  -  \frac{1}{2} x + 1 \\ y = 2x + 6 \\ first \: equation \: add \:  \frac{1}{2} from \: both  \\  sides \\   \\ second \: equation \: subtract \: 2x \: from  \\  both \: sides \\  \\ y +  \frac{1}{2} x = 1 \\ y - 2x = 6 \\ solve \: the \: first \: equation \\  \\ y +  \frac{1}{2} x = 1 \\ subtract \:  \frac{x}{2} from \: both \: sides \\  \\ y =  -  \frac{1}{2} x + 1 \\ substitute \:  -  \frac{x}{2}  + 1 \: for \: y \: in \: the  \\ other \: equation \\  \\  -  \frac{1}{2} x + 1 - 2x = 6 \\ add \:   \frac{1}{2} x \: to \: 2x \\  \\  -  \frac{5}{2} x + 1 = 6 \\ subtract \: 1 \: from \: both \: sides \\  \\  -  \frac{5}{2} x = 5 \\ divide \: both \: sides \: by \:  -  \frac{5}{2}  \\  \\ x =  - 2 \\ substitute \: the \: value \: of \: x \: into \\ an \: equation \\  \\ y =  -  \frac{1}{2} ( - 2) + 1 \\ distribute \\  \\ y = 1 + 1 \\ add  \\  \\ y = 2 \\  \\ ( - 2, \: 2)

7 0
2 years ago
During summer vacation, Tori read, on average, 40 pages per night. Now that she has returned to school, she is averaging 5% fewe
STatiana [176]

Answer: 38 pages per night

Step-by-step explanation:

Tori used to read an average of 40 pages per night but now she is going at a rate that is 5% slower.

To find the number of pages she is reading now, first find 5% of 40 pages:

= 5% * 40

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Then subtract this figure from 40:

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<em>By deducting 5% from the reading quantity, the person is reading at 5% less. </em>

8 0
2 years ago
CAN SOMEONE PLEASE EXPLAIN ME HOW TO DO THIS?
jarptica [38.1K]
Hope this can help you :)

5 0
3 years ago
Next term in each sequence 1,4,20,120,...​
ValentinkaMS [17]
1 x 4 = 4
4 x 5 = 20
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120 x 7 = 840

So the answer is 840
4 0
2 years ago
Read 2 more answers
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