3 years ago

Y = x^2 + 2x - 8 Solve with zeros

Mathematics

1 answer:

Katen [24]3 years ago

6 0

Answer:

x=-4 x=2

Step-by-step explanation:

y = x^2 + 2x - 8

Set equal to zero

0 = x^2 + 2x - 8

Factor

What two numbers multiply to -8 and add to 2

4 * -2 = -8

4+-2 = 2

0=(x+4) ( x-2)

Using the zero product property

x+4 =0 x-2 =0

x=-4 x=2

You might be interested in

Mr. Adams has 14 boys and 8 girls in his mathematics class. If he chooses

scZoUnD [109]

Answer:

it is more likely that both of the students will be boys because there are 14 boys and 8 girls. 14 is greater than 8. So, both of the students that are chosen will be boys,

5 0

3 years ago

Round the number 76.4491 to 1 decimal place

solniwko [45]

Answer:

Step-by-step explanation:

76.4

4 0

3 years ago

Which of the following equations is paralllel to the line y+3x+1 and passes through the point (6,-3)

RideAnS [48]

Answer:

y=3x-21

Step-by-step explanation:

a line is parallel if the slopes of the lines are the same

so that means that out line should look something like this

y=3x+b

then, we use our point given to find b

-3=18+b

b=-21

the equation of out line is y=3x-21

7 0

3 years ago

(-5) ÷ (-7) = _____ - 35 -35

MrRissso [65]

Answer:

0.714

Step-by-step explanation:

Wgat more explanation could I give you. lol

5 0

3 years ago

Read 2 more answers

A horse is shown in the scale drawing the height of the horse in the drawing is 4.5 inches the scale that maps the drawing to th

sladkih [1.3K]

Answer: 6.75 feet.

Step-by-step explanation: 4.5 x 1.5

5 0

3 years ago

Read 2 more answers