Which statement is true about the relationship between the areas of these two rectangles

Mathematics

2 answers:

Nadya [2.5K]3 years ago

8 0

Hey there!

Let's find their areas first. Rectangle area is defined as length times width, so we have:

A- 10 * 4 = 40 units squared

B- 4 * 2 = 8 units squared

Let's try all of our answers:

A) If A had twice the area, it's area would be 8. No

B) This is true, as 40 is 8 times 5, so rectangle A has 5 times as much area.

Your answer is B.

Hope this helps!

Yuri [45]3 years ago

3 0

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lisabon 2012 [21]

I didn't mean to post the answer and can't figure out how to take it down. Somebody report it so it does go down and the question can be later answered. Thank you

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3 years ago

HELP ME MATH ILL GIVE YOU BRAINLIEST

s344n2d4d5 [400]

Answer:

zeros: x = -3, -1, +2.
end behavior: as x approaches -∞, f(x) approaches -∞.

Step-by-step explanation:

I like to use a graphing calculator for finding the zeros of higher order polynomials. The attachment shows them to be at x = -3, -1, +2.

The zeros can also be found by trial and error, trying the choices offered by the rational root theorem: ±1, ±2, ±3, ±6. It is easiest to try ±1. Doing so shows that -1 is a root, and the residual quadratic is ...

x² +x -6

which factors as (x -2)(x +3), so telling you the remaining roots are -3 and +2.

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For any odd-degree polynomial with a positive leading coefficient, the sign of the function will match the sign of x when the magnitude of x gets large. Thus as x approaches negative infinity, so does f(x).