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3 years ago

Describe how to determine whether the parabola y = 3x2 + 3x + 6 is opening upward.

Mathematics

1 answer:

qaws [65]3 years ago

4 0

Answer:

Opening upward

Step-by-step explanation:

<u>Standard equation of parabola is:</u>

y = ax² + bx + c

The parabola is opening upward if a > 0 and opening downward if a < 0

The given parabola has a = 3 > 0, therefore it is opening upward

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Use the Rational Zeros Theorem to write a list of all possible rational zeros of the function. f(x) = -2x4 + 4x3 + 3x2 + 18

Nookie1986 [14]

$f(x) = -2x^4 + 4x^3 + 3x^2 + 18$

$18:\{\pm1;\ \pm2;\ \pm3;\ \pm6;\ \pm9;\ \pm18\}\\2:\{\pm1;\ \pm2\}\\\\Answer:\boxed{\{\pm\frac{1}{2};\ \pm1;\ \pm\frac{3}{2};\ \pm2;\ \pm3;\ \pm\frac{9}{2};\ \pm6;\ \pm9;\ \pm18\}}$

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3 years ago

I forgot to ask this but what is it?

MrRissso [65]

Answer:

5 1/7

Step-by-step explanation:

5 1/7×7= 35+1=36 that's the answer

4 0

3 years ago

What is the answer to -3b+3b

never [62]

They cancel each other out.

-3b+3b = 0

5 0

3 years ago

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The Joneses are moving from San Francisco to South Africa. They pack their belongings in rectangular crates and hire a boxcar to

Alex Ar [27]

La sup della base del box e' :
S box=60 x10=600
S crate =15 x5=75
Sulla base del box si possono mettere 600/75=8 crate
Sull' altezza (high) si possono mettere 13/6,5=2 strati
8( crate/ strato) x 2 (strati)=16 crates

7 0

3 years ago

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B12%7D%7B20%7D%20%20%20-%20%20%5Cfrac%7B30%7D%7B20%7D%20" id="TexFormula1" title="

Ipatiy [6.2K]

Answer:

-9/10

Step-by-step explanation:

12/20 - 30/20

Since the denominators are the same, we can subtract the numerators

12-30 = -18

Put this over the denominator

-18/20

Simplify by dividing the top and bottom by 2

-9/10

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3 years ago

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