F(x)=2x(x+1) write in general form

1 answer:

3 0

The general form of a quadratic expression is as follows
$f(x) = a {x}^{2} + bx + c$

Therefore, the given formula in general form would be:
$f(x) = 2x(x + 1)$
$f(x) = 2x \times x + 2x \times 1$
$f(x) = 2 {x}^{2} + 2x$

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Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the dista

irakobra [83]

Answer: Car B traveled 60 mph.

Step-by-step explanation:

A= B-15

A: (B - 15)(2 hr)=D

B: (B)(1.5)=D

Since B and A traveled the same distance you can plug in 1.5B for D.

2B - 30 = 1.5B

-1.5B +30 = -1.5B

——————+30—

2(0.5B) = 2(30)

B = 60 mph

4 0

3 years ago

Read 2 more answers

Please help me with these problems :(<br><br>-random person who struggles in pre algebra

yKpoI14uk [10]

Hope these help:
#9
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#10
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-32 (final answer for n)
#11
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8 0

3 years ago

Solve this quadratic equation using the quadratic formula. 2x2 - 10x + 7 = 0

frez [133]

Answer:

Step-by-step explanation:

2x^2-10x+7 A=1, B=-10. C=7

-(-10)±√-10^2-4(1)(7)

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2(1)

10±√100-28

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