Equations in Standard Form and Y-Intercept Form

What is the y-intercept of 
f(x)=2x² + 4x + 6

• (6 , 0)

• (-6 , 0)

• (0, -6)

• (0 , 6)

Tags

CCSS.HSF-IF.C.7A

What can we find easily in standard form?

• vertex

• zeros/x-intercepts

• y-intercept

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

• -a

• -b/a

• b/2a

• -b/2a

What is the y-intercept of this function?

• (5, 0)

• (-4, -3)

• (0, 5)

• (-5, 0)

Tags

CCSS.HSF-IF.C.7A

Which of the following are written in standard form?

• y=3x-5

• 3x+16=5y

• 2/3 x + 9/13 y = 21

• 5x+7y=-12

What are the x- and y-intercepts of the linear function given by the equation x + y = -2

• (-2, -2)

• (-2, 0) and (0, -2)

• (0, 0)

• (2, 0) and (0, 2)

Write the standard form of the equation for the graph of this line.

• 4x + 4y = -1

• 4x + 4y = 1

• x/4 + y/4 = 1

• x + y = -4

Write the standard form of the equation for the line:

y = 1/4 x + 4

• x + 4y = 8

• x - 4y = -16

• y = x + 16

• 4y + x = 8

Which linear equation form do you think is easier?

• Standard Form

• Slope-Intercept Form

• Depends on the line

• Exponential Form

What is the slope-intercept form of a line?

• Ax + By = C

• y = mx + b

• y - y1 = m(x - x1)

• y = Ax + By

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3