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klasskru [66]
3 years ago
14

Find the x and y intercepts of y = 2x^3 - 4x^2 algebraically

Mathematics
1 answer:
poizon [28]3 years ago
6 0

The x-intercept is the place where y = 0 and the y-intercept is the point where x = 0. Using this information, we can substitute 0 in for x and y to find the intercepts.


x-intercepts (where y = 0):

2x^3 - 4x^2 = 0

x^2(2x - 4) = 0

Here we can apply the Zero Product Property to find x^2 = 0 and 2x - 4 = 0 separately.

x^2 = 0

x = 0

AND

2x - 4 = 0

2x = 4

x = 2

The x-intercepts are located at (0, 0) and (2, 0).


y-intercept (where x = 0):

y = 2(0)^3 - 4(0)^2

y = 0

The y-intercept is located at (0, 0).

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3 years ago
Factor –3y – 18 and choose the correct option.
den301095 [7]
<h3>Factor –3y – 18 is:  -3(y + 6)</h3>

<em><u>Solution:</u></em>

Given that we have to factor -3y - 18

Use the distributive property,

a(b + c) = ab + bc

From given,

-3y - 18

Factor out the greatest common factor of 3 and 18

The factors of 3 are: 1, 3

The factors of 18 are: 1, 2, 3, 6, 9, 18

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Factot out 3 from given expression

-3y - 18 = 3( - y - 6)

Or else we can rewrite as,

-3y - 18 = -3(y + 6)

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5 0
3 years ago
Find the pattern. fill in the blanks. 251,351
Rus_ich [418]

Answer:

451, 551, 651, 751, 851, 951, 1051, 1151,

Step-by-step explanation:

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6 0
3 years ago
Is this corrrecct??? answe quick!?​
jok3333 [9.3K]

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Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Please help me find the total area of the composite figure below (geometry)
Akimi4 [234]

Answer:

lw + \frac{1}{2} × π × (\frac{l}{2} )^{2} ⇒ Answer D is correct

Step-by-step explanation:

First, let us find the area of the semi-circle.

Area = \frac{1}{2} × π × r²

<u>Given that,</u>

diameter of the semi-circle is ⇒ <em>l</em>

∴ radius ⇒ <em>l / 2</em>

<u>Let us find it now.</u>

Area = \frac{1}{2} × π × r²

Area =  \frac{1}{2} × π × (\frac{l}{2} )^{2}

<u>                                                     </u>

Secondly, let us find the area of the rectangle.

Area = length × width

<u>Given that,</u>

length ⇒ <em>l</em>

width ⇒ w

<u>Let us find it now.</u>

Area = length × width

Area = l ×w

Area = lw

<u>                                                      </u>

And now let us <u>find the total area.</u>

Total area =  Area of the rectangle + Area of the semi - circle

Tota area = lw + \frac{1}{2} × π × (\frac{l}{2} )^{2}

8 0
2 years ago
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