Which quadratic equation defines the function that has zeros at -8 and 6?

Answers

Answer 1

Answer:
Well, if 'y' has zeros at x=6 and x=-8,
then 'y' must be the product

y = (x - 6) (x + 8)

Perform the multiplication to get the quadratic function:

y = x² + 2x - 48

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Choose the triangle that seems to be congruent to the given one.AFD =~ ____AFCBFCDFE
A man travels from Town X to Town Y at an average rate of 60 mph and returns at an average rate of 50 mph. He takes a 1/2 hour longer than he would take if he made the round trip at an average of 55 mph. What is the distance from Town X to Town Y?
Answer keys r in bottom (8th grade math) i think u have to simplify it or smth
Solve for x.25x=65122512536
If ST = 3, TU = 1, and SU= 9, what is ST?

Question is on a picture

Answers

Answer:

$12$

Step-by-step explanation:

${4}^(2) - ( { - 2}^(2) ) \n 16 - 4 \n 12$

A recipe for homemade modeling clay includes 13 1 3 cup of salt for every cup of water. If there are 6 cups of salt, how many gallons of water are needed?

Answers

Answer:

9/320 gallons of water or 0.028125 gallons of water

Step-by-step explanation:

We are told in the question:

13 1/3 cup of salt = 1 cup of water.

6 cups of salt =

Cross Multiply

= 6 × 1/ 13 1/3

= 6 / 13 1/3

= 6 ÷ 40/3

= 6 × 3/40

= 18/40 cup of water.

= 9/20 cup of water.

16 cups of water = 1 gallon

9/20 cup of water =

= 9/20 × 1/16

= 9/20/ 16

= 9/20 ÷ 16

= 9/20 × 1/16

= 9/320 gallons of water or 0.028125 gallons of water

Therefore, 9/320 gallons of water or 0.028125 gallons of water is needed for 6 cups of salt

Final answer:

To make 6 cups of salt, 6/16 gallons of water are needed.

Explanation:

To determine how many gallons of water are needed for 6 cups of salt, we can use the proportion given in the recipe: 13 1 3 cups of salt for every cup of water. We can set up the proportion as 13 1 3 : 1 = 6 : x, where x represents the number of gallons of water needed. To solve for x, we can cross multiply and divide: (13 1 3)(x) = (6)(1), which simplifies to x = 6 * 1 / 13 1 3 = 6 / 13 1 3. To convert this fraction to a mixed number, we can use division: 6 ÷ 13 = 0 with a remainder of 6. Therefore, there are 0 whole gallons of water and 6 cups, or 6/16 gallons, of water needed.

Learn more about recipe for homemade modeling clay here:

brainly.com/question/31872198

#SPJ3

What element in the excerpt from Life on the Mississippi most suggests that it is a realist text?A.It has dialogue that is both witty and believable.
B.It contains well-rounded and diverse characters.
C.It concerns itself with the trials of a daily occupation.
D.It pays close attention to the physical details of a setting.

Answers

C.It concerns itself with the trials of a daily occupation.

Answer:

Step-by-step explanation:

c................

19. Write an algebraic expression for the phrase: 6 more than the product of 8 and n.

Answers

(8*n)+6 hope it helped

2. Yumi takes hour to complete 50 math problems. Eric is able to complete 48math problems in hour. Which student can complete math problems at a
greater rate of problems per hour?

Answers

Answer:

Yumi

Step-by-step explanation: because she is 2 ahead of Eric

Answer:yumi is faster by two questions Step-by-step explanation:

Find the non-extraneous solutions of the square root of the quantity x plus 9 minus 5 equals quantity x plus 4

Answers

Answer:

x=8 and x=9

Step-by-step explanation:

The given equation is:

$√(x+9)-5=x+4$

On solving this equation, we get

⇒ $√(x+9)=x+9$

Squaring on both sides, we get

⇒ $x+9=x^2+81+18x$

⇒ $x^2+18x-x-9+81=0$

⇒ $x^2+17x+72=0$

⇒ $x^2+8x+9x+72=0$

⇒ $(x+8)(x+9)=0$

Thus, the solution of the above equations are x= 8 and x=9.

I"m guessing you mean
$√(x+9) -5=x+4$
add 5 to both sides
$√(x+9)=x+9$
square both sides
x+9=x²+18x+81
minus x+9 both sides
0=x²+17x+72
factor
what 2 numbres multiply to get 72 and add to get 17?
8 and 9
0=(x+8)(x+9)
set to zer

0=x+8
x=-8

x+9=0
x=-9

test each

$√(-8+9) -5=-8+4$
$√(1) -5=-4$
1-5=-4
-4=-4
true

$√(-9+9) -5=-9+4$
$√(0) -5=-5$
-5=-5
true

the solutions are x=-9 and -8

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