Factor problems 13 - 16 by using the perfect squares method. 16. 4x4 – 20x2 + 25

A. (2x2 + 5)(2x2 + 5)
B. (2x2 – 5)(2x2 + 5)
C. (-2x2 – 5)(-2x2 – 5)
D. (2x2 – 5)(2x2 – 5)
E. (2x2 – 5)(-2x2 + 5)
F. This polynomial cannot be factored by using the perfect squares method.
it is not B, A or F

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.