Question

Determine which polynomial is a perfect square trinomial. (5 points)


49x2 − 28x + 16

9a2 − 30a + 25

25b2 − 45b − 81

16x2 − 24x − 9

Answer 1

⚡REQUIRED ANSWER⚡

Given cost of 6 notebooks =Rs 45.

Then cost of one notebook =Rs

6

45

So cost of 8 notebooks =Rs

6

45

×8=60 Rs

@ITZANIRUTH⚡