In the expression$$axn identify which letters go with each vocabulary word "a" is the exponent, "x" is the coefficient, "n" is the base
"a" is the coefficient, "x" is the base, "n" is the exponent
"a" is the coefficient, "x" is the exponent, "n" is the base
"a" is the base, "x" is the coefficient, "n" is the exponent

Find the difference (8ab+a+2) - (3ab+6)

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?

Factor this polynomial completely. x^2-8x+12