fastlillian
fastlillian fastlillian
  • 03-04-2018
  • Mathematics
contestada

What are the solutions for x when y is equal to 0 in the quadratic function.
Y=x^2-25

A. x = 5
B. x = −20 or x = 5
C. x = 5 or x = −5
D. x = 10 or x = −15

Respuesta :

Bladerunner1976
Bladerunner1976 Bladerunner1976
  • 03-04-2018
[tex]x^2 -25 = 0 \\ x^2=25 \\ x=+/- \sqrt{25} \\ x = +/- 5[/tex]
Answer Link

Otras preguntas

Most Puritan colonists resented religious laws concerning daily life true or false
Determine the equation for the line of best fit to represent the data. Please help me
Up to 60% of grocery store purchases made by consumers are
Describe the presence of a kidney stone in the ureter can result in a reduced glomerular filtration rate?
During a certain 8 year period, the consumer price index (CPI) increased by 70% but during the next 8-year period, it increased by only 60%. Which of these cond
write the decimal 0.65 as a percent​
Find the x-value at which the tangent to the function of y= (4/e^2x-2) + 8x is parallel to the x-axis.
find equation of straight line ,coordinates and distance. 30 pointss please help
what does a mean in y=ab^x
The electromagnetic force causes electric and magnetic effects such as the repulsion between like electrical charges or the interaction of bar magnets. It is _