matthewdvarnad10 matthewdvarnad10

03-02-2022
Mathematics

contestada

The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown.

Step 1: –c = ax2 + bx

Which best explains or justifies Step 1?

subtraction property of equality
completing the square
factoring out the constant
zero property of multiplication

Respuesta :

bardwelrjq bardwelrjq

03-02-2022

Answer:

Completing the square.

Step-by-step explanation:

ax2 + bx + c has "x" in it twice, which is hard to solve.

But there is a way to rearrange it so that "x" only appears once. It is called Completing the Square

Answer Link

Otras preguntas

First president of brazil

Which statement about the cell wall is true? a. It controls protein synthesis. b. It gives the animal cell its shape. c. It is surrounded by the cell membrane.

Barbara's goal is to practice piano 20 minutes for every 5 minutes of lessons she takes.if she takes a 20 minute piano lesson this week,how many minutes should

Two right triangles with the following dimensions are graphed with their hypotenuses on the same line: triangle X: horizontal leg measures 4 units vertical leg

A 200g block on a 50cm long string swings in a circle, it's frictionless and 75rpm. What is its speed and tension on string

two objects were lifted by a machine. one object had a mass of 2 kilograms and was lifted at the speed of 2 m/s. the other had a mass of 4 kilograms and was lif

is the sun considered a star?

Is this Linear y=4000-70x if it is how do you know

Round 8.61 to the nearest tenth.

The brilliant Carthaginian general _______ led war elephants and soldiers through the Alps to attack Rome from the north.