Question

finished project checkover

Answer 1

Part 1:
1)
(x - 5)(x - 3)
x^2 - 3x - 5x + 15
x^2 - 8x +15

2)
(a - 5)(a + 4)
a^2 + 4a - 5a - 20
a^2 - a - 20

3)
a^2 - 5a - 20 = 0
a^2 - 5a = 20
a^2 - 5a + 25/4 = 20 + 25/4
(a - 5/2)^2 = 105/4
a - 5/2 = (+105) / 2
a = (5+105)/2

4)
(a + 3b) ( a + 9b)
a^2 + 9ab + 3ab + 27b^2

5)
(2a + 10)(a + 10)
2a^2 + 20a + 10a + 100
2a^2 + 30a + 100
a = - 5 and a = - 10


Part 2: (5 points)
It’s your turn to be a game show host! As you know, in the game of Math Time, the contestants are given an answer and they must come up with the question that corresponds to the given answer.
Your task for this portion of the assignment is to create two different “answers” (and the questions that accompany them) that the host could use for the final round of Math Time. The questions and answers you create must be unique. Check out the example and hint below, if needed.
1 point for creating the two questions and answers.
2 points per question/answer for accuracy.
x^2 - 100 is the product of these two binomials.
(x + 10) (x -10)
x^2 -10x +10x -100

Answer 2

part 1 looks good. i dont understand part 2.