Lacey, because you have to do the opposite when you want to get rid of a number. She subtracted 20 because it was originally positive 20. Chris messed up and did not do the opposite, subtraction, and instead he added 20
Answer:
a quadratic function
Step-by-step explanation:
A quadratic function is a second-degree polynomialfunction, and when graphed is called a parabola.
Generally plug 0 in for x and solve for y. whatever y is is your y intercept
Answer:
No
Step-by-step explanation:
Since x is squared it is a parabola. A linear function is a line. Therefore it is not linear.
Answer:
x= 2.625
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
