rob99 rob99
  • 01-06-2018
  • Mathematics
contestada

Select the quadratic that has roots x=8 and x=-5 a x^2 + 3x -40
B x^2-3x-40
C x^2 + 13x +40
Dx^2-13x+40

Respuesta :

Luv2Teach
Luv2Teach Luv2Teach
  • 01-06-2018
If x = 8, then the factor is (x - 8); likewise, if x = -5, then the factor is (x + 5).  FOIL those together and get B
Answer Link

Otras preguntas

simplify 25 pq + 13 pq-6-35pq+4=
Search results for "2.3 times 6.9 and complete the problem 6.9 divided by 2.3! Answer the question: did you notice anything that connect these two problems?"
A grocery store receipt shows 5% state tax due on laundry detergent and a flower bouquet. Does it matter whether the tax is calculated on each separate item o
What is 25% of 6??? Is it 1.5?
F=3gh+7c solve for g
What is the x-intercept of the line with the equation  8x-1/3y=16
Which types of proteins help defend the body against foreign agents like bacteria?
plrase help a little stuck here
What sort of problem do you use acceleration due to gravity ? What sort of problem do you not ?
A bakery baked 184 loaves of bread in 4 hours. how many miles and 1 hour