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MatroZZZ [7]
3 years ago
13

Hello someone please help me !!

Mathematics
2 answers:
Bezzdna [24]3 years ago
8 0

Answer:

A

Step-by-step explanation:

because values of y increase from negative 2 to negative 1

masha68 [24]3 years ago
5 0

Answer:

Step-by-step explanation:

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Aneli [31]
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3 years ago
Find a quadratic polynomial the sum and product of whose zeroes are -8 and 12 respectively. Hence find the zeroes.
Olenka [21]

Step-by-step explanation:

We khow the sum and the product of the zeroes of this quadratic polynomial

Here is a trick :

when we khow the sum S and the product P ofvtwo numbers we can find them by solving :

x²-Sx+p=0

here S= -8 and P=12

so:

x²+8x+12=0

Let Δ be the discrminant of this equation: a= 1 , b= 8 and c=12

Δ= 8²-4*12 =16

the zeros are:

(-8-4)/2= -6

(-8+4)/2 = -2

verify:

-6+(-2)= -8

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now the polynomial quadratic is:

(x+6)(x+2)

7 0
3 years ago
Gas prices went from $2.53 to $2.89 during the year. What is the percent increase?
andrew-mc [135]
Can you tell me by how many dollars has the price risen
5 0
2 years ago
Read 2 more answers
Describe two ways you can find the measure of <7.
Verizon [17]

Answer:

angle 7= 66

Step-by-step explanation:

Angle 1 is equal to the 114 degrees. And angle 1 + angle 7 = 180. So it would be 114 + angle 7 = 180. So you do 180-114 = 66. So angle 7= 66.

The other way is that 114 + angle 6 = 180, so you do 180-114= 66.

And agle 6 is equal to angle 7, so that's another way you can know that angle 7= 66

5 0
3 years ago
Gavyn was thinking of a number. Gavyn subtracts 8.3 from the number and gets an answer of 52.7. Form an equation with x from the
kap26 [50]
X - 8.3 = 52.7

x = 61
6 0
2 years ago
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