Desmos Quadratics

Hint: type into Desmos and look at x-intercepts

• 0

• 9

• -3

• 3

What are the solutions?

• -2, 1

• 1, 2

• -1,2

• 0,-4

What are the solutions?

• -.5, 3.5

• 0,6

• -2.5, 4.5

• -1, 4

Solve the equation by factoring.
x² + 13x + 40 = 0

• -8, 5

• -40, -1

• 5, 8

• -8, -5

Tags

CCSS.HSA-REI.B.4B

Hint: Make equation =0, then type into Desmos and look for x-intercepts.

• -0.5

• 0.5

• 2

• -2

Hint: make equation =0, then put equation into Demos.

• -4

• 2

• -1

• 3

Hint: make equation =0 and type into desmos

• 1

• 7

• -4

• 9

which of the following show the quadratic formula being used properly?

Tags

CCSS.HSA-REI.B.4B

Find the solutions using quadratic formula

Tags

CCSS.HSA-REI.B.4B

What is the initial (starting) height of an object following this path? h(t) = -16t² +20t + 6

• -16 feet

• 0 feet

• 20 feet

• 6 feet