Quadratic Calculator Topic 1

What's the y-intercept of y = 3x²- 6x + 4?

HINT: Graph it in Desmos and click on the point!

• (4,0)

• (-4,0)

• (0,-4)

• (0,4)

Tags

CCSS.HSF-IF.C.7A

What is the vertex of y=x²+4x+3?

HINT: Graph it in Desmos and click on the point!

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

What is the axis of symmetry of y=2x²-4x+9?

• x = 1
• x = -1
• x = -2
• x = 4

Find the roots of y=5x²+7x-90

HINT: Graph it in Desmos and click on the points!

• (-5,0)(3.6,0)

• (0,-5)(0,3.6)

• (-4,0)(4,0)

• (-5,0)

Find the x-intercepts of y=x².

• (0,0)(1,0)
• (-1,0)(1,0)
• (0,0)
• (-4,0)(4,0)

Tags

CCSS.HSF-IF.C.7A

• y = 9x² - 15x + 21

• y = -3x² - 75x - 4

• y = 9x² + 90x + 221

• y = -3x² - 30x - 79

• y = -5x² - 20x - 30

• y = -5x² - 4x - 10

• y = 25x² + 100x + 90

• y = 25x² - 10x - 30

• Vertex: (-4, 1)

• Vertex: (-4, -1)

• Vertex: (4, 1)

• Vertex: (4, -1)

Which equation is graphed above?

HINT: Calculator - 'nuff said!

Tags

CCSS.HSF-IF.C.7A