CCSS.Math.Content.HSA.REI.C.7

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

Tags

CCSS.Math.Content.HSA.REI.C.7

A company test marketed an item at different prices in a region of the country.  The scatterplot above shows the item prices and the profit made by the company when the item sold at different item prices.  A quadratic model that best fits the data is also shown.  For a price of $60, which of the following best approximates the percent increase from the test market profit to the profit that the model predicts? 

• 50%
• 75%
• 100%
• 200%

Tags

CCSS.Math.Content.HSA.REI.C.7

Find the solution.

• (0,7) and (0,-3)
• (2,6) and (7,4)
• (3,0) and (7,4)
• (-1,5) and (-3,9)

Tags

CCSS.Math.Content.HSA.REI.C.7

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.Math.Content.HSA.REI.C.7

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.Math.Content.HSA.REI.C.7

Determine the number of solutions to the given linear-quadratic system.

• 0 solutions
• 1 solution
• 2 solutions
• 3 solutions

Tags

CCSS.Math.Content.HSA.REI.C.7

If each mark on the x-axis represents one second, when did the object reach the ground?

• 2.5 seconds

• 6 seconds

• 5.5 seconds

• 5 seconds

Tags

CCSS.Math.Content.HSA.REI.C.7

Find the area of the region bounded by the curves y=x² and y=√x

• .444

• .666

• .333

• .456

Tags

CCSS.Math.Content.HSA.REI.C.7

Graph the following equation:

y=x²-2x-3

• 
• 
• 
• 

Tags

CCSS.Math.Content.HSA.REI.C.7

What is the solution to the linear-quadratic system graphed in the picture.

• (0, 0)

• (3, 0)

• (2, -3)

• (-3, 2)

Tags

CCSS.Math.Content.HSA.REI.C.7