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Elan Coil [88]
3 years ago
8

what are the steps required to determine the equation of a quadratic function given its zeros and a point?​

Mathematics
1 answer:
mezya [45]3 years ago
8 0

Answer:

Below

Step-by-step explanation:

The quadratic equations form is:

● ax^2+bx+c

Using the zeroes, we can write a factored form.

● a (x-x') (x-x")

x and x' are the zeroes

■■■■■■■■■■■■■■■■■■■■■■■■■■

●y = a (x-x') (x-x")

x' and x" are khown but a is not.

We are given a point so replace x and y with its coordinates to find a.

So the steps are:

● 1) Write the factored form of the quadratic equation

● 2) replace x' and x" with their values.

● 3) replace x and y with the coordinates of a khwon point.

● 4) solve the equation for a.

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School chorus has 90 sixth-grade students and 75 seventh-grade students. The music director wants to make groups of performers,
inn [45]

Answer:

90 + 75 = 165

165 divided by 3 = 55

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2 years ago
Help please!!!!;;;;;;;;;;;;;;;;;;;;
kozerog [31]

Hey!

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Solution:

= (-18) - (4)

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When you subtract a positive to a negative number the end result will always be negative.

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Answer:

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Hope This Helped! Good Luck!

3 0
3 years ago
15 and 17 pls.. 15 points!!!!
Maurinko [17]

Step-by-step explanation:

15) 50 ÷ 2 = 25

17) Mean = 301, Mode = 40-50

(10+20) ÷ 2 = 15, (20+30) ÷ 2 = 25, (30+40) ÷ 2 = 35

(40+50) ÷ 2 = 45, (50+60) ÷ 2 = 55, (60+70) ÷ 2 = 65

(70+80) ÷ 2 = 75

• 15×4 = 60, 25×8 = 200, 35×10 = 350, 45×12 = 540

55×10 = 550, 65×4 = 260, 75×2 = 150

Mean = (60+200+350+540+550+260+150) ÷ 7

= 2110 ÷ 7

= 301.4285....

= 301

Mode : the highest frequency

3 0
3 years ago
Read 2 more answers
What is the answer to 9 m+ 9​
klemol [59]

Answer: 18m

Step-by-step explanation:

9m + 9

Simplify:

9+9=18

Hence, the answer to 9m + 9 is 18m.

3 0
2 years ago
#7) Who is correct?
Kryger [21]
I think Faye is correct
8 0
2 years ago
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