sarapereira17
sarapereira17 sarapereira17
  • 10-08-2017
  • Mathematics
contestada

Give that (x+2) us a factor is 2x^2+kx-10, which of the following is the value of k?

A- -3
B- 3
C- 1
D- -1

Respuesta :

Аноним Аноним
  • 10-08-2017
2 * -10 = -20
so the factors  taken are  2 and -5  

k =  -5 + 2*2 = - 1


Its D

Answer Link

Otras preguntas

Explain how the position of the decimal point changes in a quotient as you divide by increasing powers of 10.
draw 3 rows with 2 counters in each row
what is 10 to the power of 0 ×17.55
52 L equal to 5200 ml
What is 1 1/2×2=? Show your work
Solve for x. x/15 = 3 4/5. A. 45 4/5 B. 57 C. 19/75 D. 3 18/19
The soccer team lost 5 games last season and only 2 games this season. What was the percent decrease in losses?
The cheetah has been clocked at 112 km/Hr. What speed would this be in ft/sec?
Does 2/5 round to 1/2
For what primary purpose did the Spanish enslave many American Indians?