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3 years ago

Which point is an x-intercept of the Quadra function f(x)=(x-8)(x+9)?

Mathematics

1 answer:

Whitepunk [10]3 years ago

7 0

Answer:

x= 8 and x=-9

Step-by-step explanation:

The x intercepts are found when we set y = 0

0 = (x-8) (x+9)

Using the zero product property

x-8 =0 and x+9=0

x= 8 and x=-9

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X squared -11 X +24 equals zero

coldgirl [10]

Answer:

x=3, 8

Step-by-step explanation:

x²-11x+24=0 can be factored to

(x-3)(x-8)=0

3-3=0

8-8=0

So, x can be 3, 8

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2 years ago

Connie's puppy Fido weighs 12 pounds. The veterinarian says that Fido will gain weight at a steady rate for the next 6 months an

makvit [3.9K]

Answer:42

Step-by-step explanation:

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3 years ago

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How does the number of zeros in the product eight and five thousand compare to the number of zeros in factors? Explain.

Flura [38]

8X5000 is 40000. There's three zeroes in5000 and no zeroes in 8, yet there are 4 zeroes in the answer. This is because you must multiply the non-zeroes, and then add the zeroes from your factors. 8 times 5 is 40, add 3 zeroes to get 40000.
Hope this helps!

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3 years ago

Find a recurrence relation for the amount of money in a savings account after n years if the interest rate is 6 percent and $50

Korvikt [17]

Answer:

$a_n = a_{n-1} (1.06) + 50$

Step-by-step explanation:

Suppose, $a_0$ is initial amount in the saving account,

Here, the annual interest rate is 6% and additional amount in each year is $ 50,

So, the amount after one year,

$a_1 = a_0 + 6\%\text{ of }a_0 + 50 = a_0 + 0.06a_0 + 50 = a_0(1.06) + 50$

Amount after 2 years,

$a_2 = a_1 + 6\%\text{ of }a_1 + 50 = a_1(1.06) + 50$

Amount after 3 years,

$a_3 = a_2 + 6\%\text{ of }a_2 + 50 = a_2(1.06) + 50$

................................., so on....

Hence, by following the pattern,

The amount after n years,

$a_n = a_{n-1} (1.06) + 50$

Which is the required recurrence relation for the amount of money in a savings account

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3 years ago

Zipora wants to construct a triangle that has the following angle measures: 50°, 75°, and 55°. How many triangles can she make?

Alborosie

As sum of all angles of triangle equal to 180 degrees.
First we have to add the angles.
50+75+55
=50+130
=180 degrees

Answer: Zipora can construct exactly one triangle.

4 0

2 years ago

Read 2 more answers