3 years ago

Complete the square in the following quadratic equation

Mathematics

1 answer:

EastWind [94]3 years ago

3 0

Answer:

x^2 + 2x = 1 = - 1

Step-by-step explanation:

x^2 + 2x + 3 = 1

x^2 + 2x + 3 - 2 = 1 - 2

x^2 + 2x + 1 = - 1

You might be interested in

A stone is thrown upward, its height h meters after t seconds is given by this formular h=30t-5t². Find t when it is at a height

Simora [160]

Answer:

the answer is

T¹=5s

T²=1s

Am not sure about why there's two times , although perhaps the two times indicate the starting time and the other indicate the time when the stone hits 25m above the ground

Step-by-step explanation:

the solving steps are in the picture.

8 0

3 years ago

A line passes through (-4,6) and (2,3) what is the slope of the line?

Kaylis [27]

Slope = (y2-y1)/(x2-x1)
Slope = (6 - 3)/(-4 - 2)
Slope = 3/-6
Slope = -1/2

Answer
<span>-1/2</span>

6 0

4 years ago

8 which of the following numbers Is Irrational?

snow_tiger [21]

It’s the square root of 2 (100%)

4 0

4 years ago

In 2011, the winner of the Peachtree Road Race ran the 7-kilometer event in 28 minutes. What is the runner's unit rate? If the r

Alex787 [66]

Answer:

unit rate= 4-kilometers/minute expected time= 56 minutes

Step-by-step explanation:

14 kilometers x 4 kilo/minute = 56 minutes

7 0

3 years ago

a car travels from A to city B. for the first 30 minutes, the car travels at the constant speed of 45 mph. the car speed up and

Masteriza [31]

Answer:217.5 miles

Step-by-step explanation:

6 0

4 years ago