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svetlana [45]
3 years ago
8

What is a quartic function whose only real zeros are the following x=-3 and x=2

Mathematics
2 answers:
seropon [69]3 years ago
6 0
Because the zeros are -3 and 2, the factors are (x+3)(x-2)
expand it: x^2+3x-2x-6= x^2+x-6
ZanzabumX [31]3 years ago
4 0

Answer:

x^2+x-6[/tex]

Explanation:

We have been given two zeroes  x= -3 and x=2 of some quadratic equation

We have to find the quadratic equation when x=-3 is a zero means (x+3) is a factor and when x=2 is a zero means (x-2) is a factor

We have a formula to find the quadratic equation from zeroes is

x^2-(sum of zeroes )x+product of zeroes

Here sum of zero is -3+2=-1

And product of zero is (-3)(2)=-6

substituting the values in the formula we will get

x^2 -(-x)+(-6)=x^2+x-6

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It is given 5 and h + 1 are the roots of the quadratic equation x² + (k - 1)x - 5 = 0,where h and k are constant.Find the value
Liono4ka [1.6K]

Answer:

Hello,

<u>k=-3 and h=-2</u>

Step-by-step explanation:

5\ is\ a \ root \of \ x^2+(k-1)*x-5=0\\\\5^2+(k-1)*5-5=0\\\\5*(k-1)+20=0\\\\k-1=\dfrac{-20}{5} \\\\k=-4+1\\\\\boxed{k=-3}\\

h+1 is thus a root of x²+(-3-1)*x-5=0

x²-4x-5=0

x²+x-5x-5=0

x(x+1)-5(x+1)=0

(x+1)(x-5)=0

h+1=-1

<u>h=-2</u>

6 0
3 years ago
-3(x+ 2y) + 5(3x - y) + y2 for x = 6 and y= 2.
Vera_Pavlovna [14]

Answer:

54

Step-by-step explanation:

4 0
3 years ago
Solve x^2-2x-35=0 <br><br><br> SHOW WORK !! THANK CHU
LUCKY_DIMON [66]
x^2-2x-35=0\\x^2+5x-7x-35=0\\x(x+5)-7(x+5)=0\\(x+5)(x-7)=0\\&#10;x=-5\;or\;x=7
6 0
3 years ago
Kenya has 2 hours to make a 104 mile road trip. What rate must she average to make the trip in 2 hours?
stiv31 [10]
104/2 = 52
answer is 52 mph
hope it helps
8 0
3 years ago
1. A shirt is on sale for 45% off. The original
sleet_krkn [62]

Answer:

$13.75 , $11.25

Step-by-step explanation:

If they took off 45% of the original price, that means you gotta subtract

$25 - 45% = 13.75

to find the amount of the discount, subtract 13.75 from 25

$25-$13.75 = $11.25

3 0
3 years ago
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