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Harman [31]
3 years ago
10

Plz help its urgent ​

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0

Answer:

what I think this question has mistake

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Which statement about y = x2 + 3x - 18 is true?
Anestetic [448]

Answer:

C

Step-by-step explanation:

first of all, the correct factorization is

y = (x - 3)(x + 6)

because when we do the multiplication

y = x² + 6x - 3x - 18 = x² + 3x - 18

and then, the factorization tends us also directly the zero points, because y is only 0, when one of the factors is 0.

so, either x-3 or x+6 has to be 0 to make the whole expression 0.

and that is only for x=3 or x=-6

4 0
2 years ago
The original price of a marker is $5.00 What will the new price be after a 15% increase
rewona [7]

Answer:

5.75

Step-by-step explanation:

5.00×0.15=.75 5.00+.75=5.75

7 0
3 years ago
A circle has an area of 50 square meters. Which answer is closest to the measure of its diameter?
Monica [59]
A=pi *r^2=pi *(D/2)^2=3,14*D^2/4
⇒D^2=4*A/3,14=4*50/3,14=200/3,14≈63,7

D≈V63,7
5 0
3 years ago
ANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERANSWERAN
Sauron [17]

Answer:i can't see it post a better one

Step-by-step explanation:

5 0
3 years ago
Generate the ordered pairs for y = x2 − 4 using x = −2, −1, 0, 1 and 2. Identify the corresponding graph.
Alinara [238K]

The ordered pairs are ( -2,0),( -1,-3),( 0,-4),(1,-3),(-2,0).

<h3>What is coordinate geometry?</h3>

A coordinate plane is a 2D plane which is formed by the intersection of two perpendicular lines known as the x-axis and y-axis.

The ordered pairs will be calculated as:-

y = x² − 4

At  x = -2

y = ( -2)² - 4 = 4 - 4 = 0

At x = -1

y = (-1)² - 4 = -3

At x = 0

Y = 0² - 4 = -4

At x = 1

Y = 1 ² - 4 = -3

At x = 2

Y = (2)² - 4 = 0

Therefore ordered pairs are ( -2,0),( -1,-3),( 0,-4),(1,-3),(-2,0).

To know more about Coordinate geometry follow

brainly.com/question/18269861

#SPJ1

4 0
2 years ago
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