Graphing Quadratic Equations Basics

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of the graph shown above?

• all real numbers

• (0,6)

• (0,2)

• (0,-6)

Graph the following equation:

y=x²-2x-3

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Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

Find the y-intercept y = x² - 6x + 5

• (0, 8)

• (0, - 6)

• (5, 0)

• (0, 5)

Tags

CCSS.HSF-IF.C.7A

Factor: x² + 2x - 15

• (x + 3)(x - 5)

• (x + 5)(x - 3)

• (x - 5)(x - 3)

• (x + 5)(x + 3)

What is another word that describes the zeroes of a quadratic function?  

• y-intercepts
• vertex
• x-intercepts
• maximum

The equation y = x² + 3x - 18 is graphed.  Based on this graph, what are the roots of the equation x² + 3x - 18 = 0?

• -3 and 6
• 0 and -18
• 3 and -6
• 3 and -18

Factor:  3x² - 5x - 2

• (3x + 1)(x - 2)
• (3x + 2)(x - 1)
• (3x - 1)(x + 2)
• (3x - 2)(x + 1)

Factor Completely: 
2k²-14k-60
 

• 2(k-10)(k-3)
• Not Factorable
• (k-5)(k+9)
• 2(k-10)(k+3)