3 years ago

What are the zeros of the quadratic expression 3x2 - 6x - 24?

Mathematics

1 answer:

sammy [17]3 years ago

7 0

Answer:

3(x−4)(x+2)

Step-by-step explanation:

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Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. −6y2 − 9y = −1

Tomtit [17]

$-6y^2 - 9y = -1$

$y= \dfrac{-9+ \sqrt{9^2-4*-6} }{2*6}, \dfrac{-9-\sqrt{9^2-4*-6}}{2*6}$

$y= \dfrac{-9+ \sqrt{105} }{12}, \dfrac{-9- \sqrt{105} }{12}$

8 0

3 years ago

8x-9+6h use x=5 and h=9

tiny-mole [99]

85

8(5)-9+6(9)
40-9+54
=85

8 0

2 years ago

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Find the slope (-10,8) (5,-3)

Anarel [89]

The slope can be calculated with the following formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

In this case, you have the following points:

$undefined$

8 0

1 year ago

I need help with this

goldenfox [79]

for a triangular prism, its volume will simply be <u>area of its base</u> times its length.

the are of the base for this one is simply any of those triangular bases. Now, let's notice, the right-triangle has a base of 9 and a height o 9, notice the tickmarks, whilst the prism also has a length of 13.

$\bf \stackrel{\textit{area of the triangle}}{\cfrac{1}{2}(9)(9)}~~\cdot~~ \stackrel{\textit{length}}{(13)}\implies 9\cdot 13\implies 117$

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3 years ago

Mai's bank account is oversrawn by $60,which means her balance is -$60. She gets $85 for her birthday and deposits it into her a

Phoenix [80]

Answer:

Step-by-step explanation:

-60 plus 85 equals 25 so she has 25 dollars in the bank now.

6 0

2 years ago

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