Co n st r u ct ed Re sp o n se
- Alan is tiling a 6 ft-by-8 ft rectangular floor with square
tiles that measure 4 in. on each side. How many tiles
does Alan need to cover the floor? - A library is having a used book sale. All hardcover
books have the same price and all softcover books
have the same price. You buy 4 hardcover books and
2 softcover books for $24. Your friend buys 3 hardcover
books and 3 softcover books for $21. What is the cost in
dollars of a hardcover book? - The two triangles below are similar.
What is the length, in meters, of the side labeled x?- A soup company sells chicken broth in a container
shaped like a rectangular prism. The container
is 3.5 in. long, 2.5 in. wide, and 6.5 in. high.
One cubic inch of broth weighs about 0.56 oz. To the
nearest whole number, how many ounces does the
container hold? - One model of a jumbo jet is approximately 230 ft
long and has a wingspan of 195 ft. If a scale model
of the plane is about 40 cm long, what is the model's
wingspan? Round to the nearest tenth. - Marcus works at a local store. Each week he earns $400
salary plus a 3% commission on his sales. Find his
earnings for one week if his sales are $2500. - How many real-number solutions does the quadratic
equation 2x2 + 7x + 9 = 0 have? - A right circular cylinder has a diameter of 6 in. You
pour water into the cylinder until the water level
reaches 3 in. What is the volume, in cubic inches,
of the water? Use 3.14 for tt. Round your answer to
the nearest cubic inch.
22. Terry says that a quadratic equation has two real
solutions. Is this statement always, sometimes, or never
true? Give two examples to support your answer.
23. An equation of line p is y = 4x - 3. Line n is
perpendicular to line p and contains the point (8, -1).
What is an equation of line nl Show your work.
24. A caterer charges a $50 fee plus $12 per person for an
event. Write a function to represent the total cost C for
n people. - Suppose you deposit $1000 in an account that pays
3.5% interest compounded quarterly. What will the
account balance be after 5 years? - Factor the expression 3x2 + 23x + 14.
- What is an inequality that represents the graph?
y >r
4
S4 X
— 0 i
-2- What is an equation of the line?
Ex t e n d e d Re sp o n se
- A system of equations is shown below.
y = 2x + 5
y=-x+ll
a. Graph the equations in the same coordinate plane.
b. What is the point of intersection of the two graphs? - Graph the function y = 2x2. Make a table of values.
What are the domain and range?
610 Chapter 9 Common Core Cumulative Standards Review