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11111nata11111 [884]
3 years ago
9

Which value must be added to the expression x2 + x to make it a perfect-square trinomial? One-fourth One-half 1 4

Mathematics
2 answers:
kaheart [24]3 years ago
5 0

Answer:

a. ¼

<em>(Below is the Screenshot on EdgeCourseware)</em>

SVEN [57.7K]3 years ago
3 0

Answer:

\frac{1}{4}

Step-by-step explanation:

Given

x² + x

To complete the square

add ( half the coefficient of the x- term )² to x² + x

x² + 2(\frac{1}{2} )x + (\frac{1}{2} )² = x² + x + \frac{1}{4}

= (x + \frac{1}{2} )² ← perfect square

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