AlgebraLab

Quadratic Equations: Graphs and Roots

By K Holland

For the following questions determine the missing information: the function's roots, its graph, or its equation.

f(x) = x2 - 2x - 15


x min: -5

x max: 5

x scale:1

y min : -10

y max: 10

y scale:1


x min: 0

x max: 12

x scale: 2

y min : -10

y max: 10

y scale:1

f(x) = 36x2 + 63x - 18

f(x) = x2 + 3


x min: -10

x max: 10

x scale: 1

y min : -10

y max: 10

y scale:1

f(x) = 4x2 + 22x – 12

f(x) = x2 + 5x + 6