Hey, uh, will anyone be able to help me out here? I wanna know how to factorize any quadratic equation, and you yourself can give me an example (or examplES, since there are lots of different quadratic equations, and lots of different ways to solve em) of the equation. It’d be great for me if you could.

Step 1:

Find two numbers that multiply to give ac (in other words a times c), and add to give b.

Step 2:

Rewrite the middle with those numbers:

Step 3:

Factor the first two and last two terms separately

example

Solution

3x 2 – 9x + x – 3 = 0

⟹ 3x (x – 3) + 1(x – 3) = 0

⟹ (x – 3) (3x + 1) = 0

⟹ x = 3 or x = -13

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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answers

rauschg

rauschg · hand

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step-by-step explanation: