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allsm [11]
2 years ago
6

Can someone pls help w finding the x and y intercepts of this? y=x^2-2x

Mathematics
1 answer:
AysviL [449]2 years ago
6 0

Answer:

<u>y-intercept</u><u> </u><u>is</u><u> </u><u>0</u><u>,</u><u> </u><u>x-intercept</u><u> </u><u>is</u><u> </u><u>0</u><u> </u><u>and</u><u> </u><u>1</u>

Step-by-step explanation:

For y-intercept, x=0 :

{ \tt{y =  {(0)}^{2} - 2(0) }} \\ { \tt{y = 0}}

For x-intercept, y=0 :

{ \tt{0 =  {2x}^{2} - 2x }} \\ { \tt{2x(x - 1) = 0}} \\ { \tt{x = 0 \:  \: and \:  \: 1}}

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Answer:

there needs to be at least 77 cakes sold

Step-by-step explanation:

let 'c' = # cakes sold

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8 0
2 years ago
Solve for n -3n-5=16
Nezavi [6.7K]

Answer:

n = -7

Step-by-step explanation:

Solve for n:

-3 n - 5 = 16

Hint: | Isolate terms with n to the left-hand side.

Add 5 to both sides:

(5 - 5) - 3 n = 5 + 16

Hint: | Look for the difference of two identical terms.

5 - 5 = 0:

-3 n = 16 + 5

Hint: | Evaluate 16 + 5.

16 + 5 = 21:

-3 n = 21

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides of -3 n = 21 by -3:

(-3 n)/(-3) = 21/(-3)

Hint: | Any nonzero number divided by itself is one.

(-3)/(-3) = 1:

n = 21/(-3)

Hint: | Reduce 21/(-3) to lowest terms. Start by finding the GCD of 21 and -3.

The gcd of 21 and -3 is 3, so 21/(-3) = (3×7)/(3 (-1)) = 3/3×7/(-1) = 7/(-1):

n = 7/(-1)

Hint: | Simplify the sign of 7/(-1).

Multiply numerator and denominator of 7/(-1) by -1:

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7 0
3 years ago
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Answer:

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Step-by-step explanation:

-x-2y=1

x+y=2

solve the equation

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x=2-y

substitute the value of x into an equation

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remove parenthesis

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subtract y to 2y

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add 2 from both sides

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divide both sides by -y

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substitute the value of y into an equation

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x=5

----------

(5,-3)

----------

7 0
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