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Stells [14]
2 years ago
13

Which of the following is a quadratic equation that has the roots x = 2 and x = −7? (4 points)

Mathematics
1 answer:
crimeas [40]2 years ago
8 0

Answer:

x^2 + 5x - 14

Step-by-step explanation:

We can assume that if there is 2 options for x, this is a quadratic equation that equals 0.

Therefore, we can put this into brackets as one bracket must equal 0.

(x - 2) (x + 7)

After this we expand, which is a process easier to search up

The answer is:

x^2 + 7x - 2x - 14

We can simplify this to:

x^2 + 5x - 14

x^2 represents x squared in case you were wondering

Therefore, the answer is:

x^2 + 5x - 14

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tangare [24]

Answer:

93 cartons

Step-by-step explanation:

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no of cartons-3 × 31=93

4 0
3 years ago
A bookstore had 60 copies of a magazine. Yesterday, it sold 1/3 of them. Today, it sold 1/4 of what remained. How many copies do
lara [203]

Answer:

30

Step-by-step explanation:

1/3 of 60 is 20

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7 0
3 years ago
What is the greatest common divisor of 54 36 and 24
77julia77 [94]
I believe the greatest common divisor would be 6.

hope this helps you! :-)
8 0
3 years ago
Find f ∘ g f∘g and g ∘ f g∘f. f ( x ) = x 2 / 3 , g ( x ) = x 9 f(x)=x2/3, g(x)=x9 (a) f ∘ g f∘g (b) g ∘ f g∘f Find the domain o
faltersainse [42]
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8 0
3 years ago
Pls help!! will give all my points
sergejj [24]

when x=-2

-10(-2)+y=4

y=4-20

y=-16

when x=-1

-10(-1)+y=4

y=-6

when x=0

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when x=2

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y=24

8 0
3 years ago
Read 2 more answers
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