Find the value of C that completes the square

Mathematics

1 answer:

MatroZZZ [7]3 years ago

6 0

Answer:

Step-by-step explanation:

y^2-22y+c

complete the square ax^2+bx+c is our old formula quadratic equation

we know that to find c we will divide b/2 and square it

22/2=11

c^2=121

we have y^2-22y+121

You might be interested in

What's the area of the circle with the diameter of 8

dimaraw [331]

Step-by-step explanation:

General formula for the area of a circle = πr^2.

Since the diameter is 8, the radius is 4 (half of diameter)

So the area is π(4)^2 = 16π.

8 0

3 years ago

Is it ever possible that cos (A−B)=cos ⁡A−cos ⁡B? Why

svetlana [45]

Answer:

yes, there are an infinite number of solutions

Step-by-step explanation:

The attached graph shows values of A and B (x and y) that can make this equation be true. Any of the points on any of the curves will satisfy the equation. (The repetition continues indefinitely in all directions.)

8 0

3 years ago

Pls help me with 19,20 pls thx and show me how u did it

Anastasy [175]

For number 19:
"at least 150" means either 150 ≤ ? or ? ≥ 150

plus 3 so +3x

The answer would be 150 ≤ 100 + 3x

Number 20:

A is at -2.5. The inverse is the opposite so 2.5

7 0

3 years ago

There is one fifth of a sandwich to share equally between 2 people. How much of the sandwich will each person get? Use the numbe

babunello [35]

Answer:

one tenth of a sandwich

Step-by-step explanation:

4 0

3 years ago

What is the equivalent of 6x-8y?

liberstina [14]

Plug y=-5 into the equation
6x+8(-5)=-22
6x-40=-22
6x=-22+40
6x=18
x=3

6 0

3 years ago