2 years ago

Evaluate -2x^3-3x^2+4 for x=-2

Mathematics

1 answer:

dsp732 years ago

3 0

Answer: 8

Step-by-step explanation:

1. Rewrite the equation:

-2x^3 - 3x^2 + 4 x = -2

2. Plug in the value of x, -2

-2(-2)^3 - 3(-2)^2 + 4

3. Use order of operations (PEMDAS):

-2(-8) - 3(4) + 4

= 16 - 12 + 4

= 8

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in the equation dy+3x=2, for what value of d is the graph of the equation parallel to the graph of x-3y=0? the y axis?

IRISSAK [1]

Answer:

-9

Step-by-step explanation:

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2 years ago

Gina wants to go to the water park with her friends. They have a total of www dollars to buy 555 tickets. Each ticket costs 1515

alexdok [17]

Answer:

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Step-by-step explanation:

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3 years ago

I need help with 5 and 6

8_murik_8 [283]

Answer:

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AC = AB + BC

56 = (x + 16) + (5x + 10)

56 = 6x + 26....then rearrange the equation to form...;

56 - 26 = 6x

30 = 6x...

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7 0

3 years ago

Solve this problem<br> √-16

a_sh-v [17]

Answer:

$4i$

Step-by-step explanation:

$\sqrt{-1} = i$

Therefore $\sqrt{-16} = \sqrt{16} \sqrt{-1} \\=4i$

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2 years ago

Cookies cost $3 each, and candies cost $2 each. Tim has

riadik2000 [5.3K]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers