1 answer:
To find the solution set we must factor the quadratic equation first.
7

- 28
= 7( [tex] q^{2} [/tex - 4)
= 7(x + 2)(x - 2) = 0
x = {-2, 2}
This means that if x equals -2, or 2 the whole expression would equal zero. Hope this helps!
You might be interested in
Answer:
because when they are changed into algebraic form they change into 3^1/2 so
Answer:
2x + 3x + 7x = 288
12x = 288
x = 24
The largest number is therefore 7 * 24 = 168
Step-by-step explanation:
Answer: B. 1/4
Step-by-step explanation:BY/BC=2/4=1/2
Area ratio:
Area of triangle XBY / Area of triangle ABC = (BY/BC)²
=(1/2)²
=1/4
So the answer is B. 1/4
Answer: x=−1 or x=5
Step-by-step explanation:
1st day he ran30. 2nd day he ran 35 3rd day he ran 35 and fourth day he ran 45 so 30+35+35+45 =145 minutes all together he ran