Chapter 10 Quiz 1 REVIEW

Multiple Choice
Identify the choice that best completes the statement or answers the question.

____	1.	Identify the vertex of the graph. Tell whether it is a minimum or maximum.

a. (0, –1); minimum   b. (–1, 0); maximum   c. (0, –1); maximum   d. (–1, 0); minimum

____	2.	Which of the quadratic functions has the narrowest graph?
a.    b.    c.    d. 

____	3.	Order the group of quadratic functions from widest to narrowest graph.
, , 
a. , ,    b. , ,    c. , ,    d. , , 

____	4.	If an object is dropped from a height of 38 feet, the function  gives the height of the object after t seconds. Graph the function.
a.    b.    c.    d. 

____	5.	Graph . Label the axis of symmetry and vertex.
a.	

Axis of symmetry: 
Vertex: 	c.	

Axis of symmetry: 
Vertex: 	
b.	

Axis of symmetry: 
Vertex: 	d.	

Axis of symmetry: 
Vertex: 	

____	6.	A ball is thrown into the air with an upward velocity of 36 ft/s. Its height h in feet after t seconds is given by the function .
a. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary.
b. What is the ball’s maximum height?
a. 1.13 s; 69.75 ft   b. 1.13 s; 29.25 ft   c. 1.13 s; 31.5 ft   d. 2.25 s; 9 ft

____	7.	Simplify .
a. 1.33   b. 1.3   c. 0.845   d. 13

____	8.	Simplify .
a.    b.    c.    d. 

____	9.	Is  rational or irrational?
a. rational   b. irrational

____	10.	Between what two consecutive integers is ?
a. 11 and 12   b. 14 and 15   c. 12 and 13   d. 9 and 10

____	11.	The formula  gives the velocity v in feet per second of an object that has fallen h feet. Find the velocity of an object that has fallen 76 feet. Round to the nearest hundredth.
a. 12.33 ft/sec   b. 69.74 ft/sec   c. 4864 ft/sec   d. 49.32 ft/sec

____	12.	Solve  by graphing the related function.
a.	

There are two solutions: 2 and –2.	c.	

There are two solutions: 2 and –2.	
b.	

There are two solutions: .	d.	

There are no real number solutions.	

Solve the equation using square roots.

____	13.	7 + 6 = 13
a. no real number solutions   b. 1   c.    d. 

____	14.	
a.    b. –4   c.    d. no real number solutions

____	15.	Describe how the “a” value affects the quadratic graph.  
a. It shifts the graph up or down the y axis.     b. It shifts the graph left or right on the x axis.     c. It makes the graph wider or narrower and determines if the graph opens upwards or downwards.     d. It makes the graph open sideways.  

____	16.	Describe how the “b” value affects the quadratic graph.  
a. It shifts the graph up or down the y axis.     b. It shifts the graph left or right on the x axis.     c. It makes the graph wider or narrower and determines if the graph opens upwards or downwards.     d. It makes the graph open sideways.  

____	17.	Describe how the “c” value affects the quadratic graph.  
a. It shifts the graph up or down the y axis.     b. It shifts the graph left or right on the x axis.     c. It makes the graph wider or narrower and determines if the graph opens upwards or downwards.     d. It makes the graph open sideways.  

Chapter 10 Quiz 1 REVIEW
Answer Section

MULTIPLE CHOICE

	1.	C

	2.	C

	3.	B

	4.	C

	5.	B

	6.	B

	7.	B

	8.	D

	9.	B

	10.	C

	11.	B

	12.	C

	13.	D

	14.	D

	15.	C

	16.	B

	17.	A