nahshehehejejaiaikaj nahshehehejejaiaikaj
  • 11-10-2020
  • Mathematics
contestada

PLEASE HELP QUICK What are the solutions for x when y is equal to 0 in the quadratic function
y= x2 + x - 72?

Respuesta :

11qq11
11qq11 11qq11
  • 11-10-2020

x = -9 and x = 8 when y = 0 is the answer

Answer Link
elizabethchilds elizabethchilds
  • 11-10-2020

Answer: x= -9,8

Step-by-step explanation:

x=?

y=0

y=x^2+x-72

0=x^2+x-72

0=(x+9)(x-8)

x+9=0            x-8=0

-9   -9            +8     +8

x= -9                 x=8

Answer Link

Otras preguntas

What is the value of the expression 1/3^-5? a. 243 b. 15 c. 1/15 d. 1/243
Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her dad gave her $10 for mowing the lawn.
what is a vivid verb for cry passionately
ORDER THESE LEAST TO GREATEST. -[tex] \sqrt4} [/tex] , 3.5, [tex] \sqrt{11} } [/tex] , 3 11/20
The Neolithic era differed from previous time periods because the people no longer ________. a. relied on others to fulfill specific roles in society b. depen
Find the LCM of each pair of numbers: 8 and 56 12 and 30
Why are oligarchy important to the Sparta's?
What is the gcf of 36 &90
round to the nearest tenth 4.88
Match the equal dominoes , then write true number sentences