Factored Form and Intercepts

Solve for b

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

The x-intercepts of a quadratic equation are known as the _____.

• vertices

• squares

• zeros

• formulas

Tags

CCSS.HSF-IF.C.7A

What is another way to say "where a function crosses the x-axis"?

• x-intercept

• zero

• root

• all of these.

• solution

Tags

CCSS.HSF-IF.C.7C

What does it mean to "find the zeros" of a quadratic?

• Plug in 0 and solve the expression.

• Factor then set each factor equal to zero and solve to find x-intercepts

• Set the expression equal to zero and solve 

• Factor then set each factor equal to zero and solve to find y-intercepts

Tags

CCSS.HSA-REI.B.4B

For the given graph with the equation y=(x-3)²+1

x-intercepts / zeros /roots = ​ ​ (a)  

Factored form: ​ (b)   ​

• (x-2)(x-4)

• x=2 or 4

• x=-4 or -2

• -(x-2)(x-4)

• (x+2)(x+4)

• (x-3)(x+1)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Use the x-intercept and the y-intercept to graph the line.

3x+4y=-12

Tags

CCSS.HSF-IF.C.7A

For the graph of y= -(x+2)² + 9 attached,

x intercepts: ​ (a)  

y intercept: ​ (b)  

Factored form: ​ (c)  

• x=-5 or x=1

• x=5 or -1

• y= 5

• y=0

• -(x + 5)(x - 1)

• -(x - 5)(x + 1)

• (x + 5)(x - 1)

Tags

CCSS.HSF-IF.C.7A

Graph a line with an x-intercept of (7,0) and a y-intercept of (0,-3)

Tags

CCSS.HSF-IF.C.7A

From the given graph, find

The zeros / roots/ x intercepts ​ (a)  

Factored form: ​ (b)  

• x=-4 or x=0

• x= 0 or 4

• x=-2 or 0

• y=(x-0)(x+4) or x(x+4)

• y=x (x - 4)

Tags

CCSS.HSF-IF.C.7A

For the graphed function, find

x intercepts ​ (a)  

factored form ​ (b)  

• x= -3 or x = -1

• x = 1 or 3

• y= -3(x+1)(x+3)

• y=3(x + 1)(x + 3)

• y=-3(x -1 ) (x - 3)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A