features of quadratics in vertex form

Use the graph to determine the X-intercepts

• (-1,0) and (-3,0)

• (1,0) and (3,0)

• (0,1) and (0,3)

• (0,-1) and (0,-3)

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts?

• (0,0) and (2,0)

• (-4,0) and (0,0)

• (0,0) and (0,4)

• (0,0) and (4,0)

Tags

CCSS.HSF-IF.C.7A

Name the vertex to the given quadratic graph

• (2,3)

• (3,2)

• (0,-1)

• (4,-1)

Define X-intercept

• The highest or lowest point on the graph

• Where the parabola touches or intersects the x-axis

• Where the parabola touches or intersects the y-axis

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

Tags

CCSS.HSF-IF.C.7A

Define Y-intercept

• Where the parabola touches or intersects the x-axis, also called the x-intercept

• The lowest y-value on the graph

• The highest y-value on the graph

• Where the parabola touches or intersects the y-axis

Tags

CCSS.HSF-IF.C.7A

Define Vertex

• Where the parabola touches or intersects the x-axis

• The highest or lowest point on the graph

• Where parabola line touches or intersects the x- axis, also called the x-intercept

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

What is the vertex of the quadratic function: y=1/2(x - 3)² + 8?

• (3,8)
• (-3,-8)
• (-3,8)
• (3,-8)

What is the y-intercept of y=(x+5)²-4 ?

• (0, -4)

• (0, -3)

• (0,21)

• (0, -7)

What are the x-intercept(s) of y=(x+1)²-16 ?

• (3,0)

• (3,0) and (-5,0)

• (-3, 0) and (5, 0)

• (0,-15)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which of the following equations matches vertex form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b