Alan is writing out the steps using the "shortest Route Algorithm". On the second step, he just circled the route ABD as the sho
rtest route from A to D. What should he cross out next?
Group of answer choices
AB; 2
AC; 4
AD; 6
ABE; 8
Group of answer choices
AB; 2
AC; 4
AD; 6
ABE; 8
2 answers:
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Answer:
-1 and 9
Step-by-step explanation:
To solve the quadratic, factor and set its factors equal to 0. Factoring is the action of breaking up a polynomial into pieces which multiply to make it. The factors are found by multiplying numbers to make C and add to B of .
Here c = -9 and b = -8. The numbers -9 and 1 multiply to -9 and add to -8. These are the factors (x-9)(x+1).
Set each equal to 0 and solve for x.
x-9 = 0
x = 9
x+1 =0
x = -1