How are quadratic equations different from linear equations?

Answers

Answer 1

Answer: The fundamental difference between the linear and quadratic functions is observed in their respective graphs. A linear function is represented by a straight line and a quadratic function is represented by a curve called a parabola.

See file attached.

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Identify the inverse g(x) of the given relation f(x).f(x) = {(8, 3), (4, 1), (0, –1), (–4, –3)}

Answers

in plain and short, "the range of the original is the domain of the inverse and the domain of the original is the range of the inverse".

or just to put it plainly, the inverse is the same set, but backward pairs

$\bf %f(x) = {(8, 3), (4, 1), (0, –1), (–4, –3)}f(x) = \{(8, 3), (4, 1), (0, -1), (-4, -3)\} \n\n\n\stackrel{inv erse}{\{(3, 8), (1, 4), (-1, 0), (-3, -4)\}}$

Choose the correct simplification of the expression −4x2(6x − 5x2 − 5).20x4 + 24x3 + 20x2
−9x4 + 2x3 − 9x2
20x4 − 24x3 + 20x2
−20x4 + 24x3 − 20x2

Answers

If you would like to solve -4x^2 * (6x - 5x^2 - 5), you can do this using the following steps:

-4x^2 * (6x - 5x^2 - 5) = -4x^2 * 6x + 4x^2 * 5x^2 + 4x^2 * 5 = -24x^3 + 20x^4 + 20x^2 = 20x^4 - 24x^3 + 20x^2

The correct result would be 20x^4 - 24x^3 + 20x^2.

Answer:

It is C

Step-by-step explanation:

At a school carnival, the diameter of the mat of a trampoline is 12 feet and the diameter of its metal frame is 14 feet. What is the length, in feet, of the metal frame that surrounds the trampoline? Use 3.14 for π and round your answer to the nearest tenth.37.7 feet
44.0 feet
75.4 feet
87.9 feet

Answers

we don't need to know the trampoline diameter, it's a trick

the legnth of the metal fram is the circumference
C=pid
d=14
c=14pi
pi=3.14
c=14*3.14
c=43.96
round
C=44

answer is 44 feet

your answer is 44.0 feet

If f(x) = 5x + 40, what is f(x) when x = –5?

Answers

15 would be your answer

yeah he's correct its 15

Mikkel pays a 4 percent state income tax on his earnings. If he earns $1,867, how much state income tax can he expect to pay? $46.68 $74.68 $466.75 $746.80

Answers

Answer:

$74.68

Step-by-step explanation:

Convert the percent to a decimal.

4% = 0.04

Multiply his income by the percentage to find the tax.

$1,867 × 0.04 = $74.68

He can expect to pay $74.68.

Answer:

B) $74.68

Step-by-step explanation:

I took the test on Edge

Emily can ride her scooter 18 miles in 50 minutes.c. What is her unit rate in miles per hour?

Answers

Answer:

22.5 miles per hour (rounded answer)

Step-by-step explanation:

This is a fraction equal to

18 miles ÷ 0.8 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 0.8

18 miles ÷ 0.8

0.8 hours ÷ 0.8

22.5 miles

1 hour

22.5 miles

hour

= 22.5 miles per hour

Answer:

there is no miles per hour because she wasn't riding for an hour

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