10. Which of the following is a perfect square trinomial?
O A. x2 + 14x + 7
OAB.x2+ 147 - 49
O C. x2 + 7x + 49
O D. x2 + 14x + 49
O A. x2 + 14x + 7
OAB.x2+ 147 - 49
O C. x2 + 7x + 49
O D. x2 + 14x + 49
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Answer:
10. Which of the following is a perfect square trinomial?
O A. x2 + 14x + 7
O B.x2+ 147 - 49
O C. x2 + 7x + 49
O D. x2 + 14x + 49
Step-by-step explanation:
• x² + 14x + 49
• x² + 7x + 7x + 49
• x(x + 7) + 7(x + 7)
• (x + 7) (x + 7)
Therefore letter d. is a perfect square trinomial.
hope this helps :)
Answer:
D. x^2 + 14x + 49
Step-by-step explanation:
the factor of x^2 + 14x + 49 is (x+7)(x+7) or (x+7)^2