How do you know if a parabola has maximum or minimum?

1 answer:

5 0

Look at the negative sign before the "a" term. For example, "-ax^2+bx+c" has a maximum point because of the negative sign in front of "a"(face-down parabola). This equation, "ax^2+bx+c", has a minimum point as there is no negative sign in front of "a."

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For each ordered pair (x,y) , determine whether it is a solution to the inequality

Leviafan [203]

The answer are below, the work is show step by step.

8 0

4 years ago

HELLLP MEEEEEEEE PLEASE

jolli1 [7]

Answer:

Each side is 15 ft

Step-by-step explanation:

The area of a square is given by

A = s^2 where s is the side length

225 ft^2 = s^2

Take the square root of each side

sqrt ( 225 ft^2) = sqrt ( s^2)

15 ft = s

Each side is 15 ft

6 0

3 years ago

Read 2 more answers

HELP ME PLEASE I NEED HELP

Olin [163]

Step-by-step explanation:

You should prolly subtract 2 from both sides first.

So you get, -|2/5x + 3| > -1 2/5

Add three to both sides
-|2/5x| = -1 2/5
Do -1 and 2/5 divided by 2/5 to get -3.5, x > -3.5

One of the answers is x > -3.5 but you need to switch the sign to less than and make the other side the opposite.

$-( \frac{2}{5}x + 3 ) < 1 \frac{2}{5}$

You see that, switched the sign and made whats on the right side opposite. So now solve for x again but with this new equation. Also, the parentheses are absolute value signs

Subtract 3 from both sides

-|2/5x| < -1 and 3/5

Divide 2/5 from each side to get x < -4

I hope I'm correct, my bad if I'm wrong