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Which of the following values of k will make x² - kx + 12 factorable?
a. -14
b. -10
c. 7
d. 12​

Sagot :

Ayvervillanuevaidn

Which of the following values of k will make x² - kx + 12 factorable?

a. -14

b. -10

c. 7

d. 12​

#PAG-ARALAN

OnlineGeniusidn

Answer:

C.7 ɪs ᴛʜᴇ ᴀɴsᴡᴇʀ

Step-by-step explanation:

The standard form of quadratic equation is ax² + bx + c = 0.

The given equation is x² - kx + 2 = 0. Since this equation is quadratic as well, then 2 is the value of c

Looking at the value c, 2, think of two numbers that when multiplied, they will result to 2. Bear also in your mind that the given equation has a negative k (-k), so the numbers to be multiplied should involve negative numbers. The focus is on -k as well because it will later be crucial in our next step.

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OɴʟɪɴᴇGᴇɴɪᴜs

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