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nexus9112 [7]
3 years ago
9

If using the method of completing the square to solve the quadratic equation, which number would have to be added to “complete t

he square”?
X^2+7x-4=0
Mathematics
1 answer:
Anna11 [10]3 years ago
6 0
The answer is 80 because you add then subtract
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I need this answer rn it’s important plz help me
timurjin [86]

Answer:

y- intercept = 22

Step-by-step explanation:

to find the y- intercept substitute x = 0 into f(x)

f(0) = (0 - 11)(0 - 2) = - 11 × - 2 = 22 → (0, 22 )


8 0
3 years ago
the movie theater has 250 seats 200 seats were sold for the current showing what percent of seats of seats are empty
Zina [86]

Answer:

80%

Step-by-step explanation: Because if 20% of 250 equal 50 then 200 is 80% because adding 4 50 is 200.

4 0
3 years ago
Read 2 more answers
Given: 3x + y = 1.. Solve for y.. y = -3x + 1. y = -3x - 1. y = 3x - 1
lozanna [386]
3x +y = 1
Subtract 3x from each side to find y, as follows:
y = -3x + 1
The first choice is correct.
3 0
4 years ago
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The turning point of a parabola that spills water is also its _____
vovikov84 [41]
The answer to this question is b Root I hope it help
8 0
3 years ago
The living room size on the blue print is 6 inches and the actual size is 10 feet. What is the scale factor?
Vinvika [58]

Answer:The scale factor is 20.

Step-by-step explanation:

6 INCHES = 1/2 FOOT

10 FOOT TO 1/2  FOOT = 10/(1/2) = 20/1

The scale factor is 20 to 1

or, since your scale is 6 in to 10 ft

you may list the scale factor as 1 to 20

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3 0
3 years ago
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