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tia_tia [17]
3 years ago
12

Given 25x^2 - 10x = 0, which values of x will satisfy the equation? (Hint: Factor the polynomial into two terms, and find the va

lues of x that will make each term 0.). . A. x = 0 and x = 5/2. . B. x = 0 and x = 2/5. . C. x = 0 and x = 2. . D. x = 0 and x = 5
Mathematics
2 answers:
raketka [301]3 years ago
8 0
25 x² - 10 x = 0
5 x ( 5 x - 2 ) = 0
x = 0  and
5 x - 2 = 0
5 x = 2
x = 2: 5 
x = 2/5
Answer: B ) x = 0 and x = 2/5
8_murik_8 [283]3 years ago
5 0

Answer:

B. x = 0 and x = 2/5

Step-by-step explanation:

To get the value satisfying the equation, we will need to simplify the given equation 25x²-10x = 0 to have:

First we will factor out '5x' which a common factor to have;

5x(5x - 2) = 0

5x = 0 and 5x-2 = 0

From 5x = 0, x =0

From equation 5x-2=0, 5x= 0+2

5x = 2

Dividing both sides by 5 which is the coefficient of x we have;

5x/5 = 2/5

x = 2/5

The solutions will give;

x = 0 and x = 2/5

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3 years ago
Which function has zeros at x = 10 and x = 2? f(x) = x2 – 12x + 20 f(x) = x2 – 20x + 12 f(x) = 5x2 + 40x + 60 f(x) = 5x2 + 60x +
4vir4ik [10]
To find the correct function, just plug in 10 and 2 to see if the function equals zero with both numbers.

f(x)=x^2-12x+20
f(10)=100-120+20
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f(x)=x^2-12x+20
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The function that has zeros at both x=10 and x=2 is f(x)=x^2-12x+20.
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3 years ago
Solve the inequality. -45&lt;-9k would the answer be 5&gt;k or 5
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Answer:

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Step-by-step explanation:

-45 < -9k

Switch sides

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