Lesson1Quiz
QuadraticEquationsandFunctions
Results of the quiz. 1. Find a quadratic model for the values in the table.
CORRECT: f(x) = 3x2 + 7x 9 2. Identify the vertex and the axis of symmetry of the
Lesson6Quiz
LinearSystems
Results of the quiz.
1. Use elimination to find the solution of the system
.
CORRECT: (1, 3, 2) 2. The figure below represents a system of equations in three variables. Which
Lesson4Quiz
LinearSystems
Results of the quiz. 1. A factory can produce two products, x and y, with a profit P approximated by P = 12x + 15y. The production of y can exceed x by no more than 200 units
Lesson3Quiz
LinearSystems
Results of the quiz. 1. Which system of inequalities has this graph?
CORRECT: 2. Identify the graph that shows the solution to the system of inequalities.
CORRECT: 3. Identif
Lesson2Quiz
LinearSystems
Results of the quiz.
1. What steps can you use to solve the system
using the method of elimination?
CORRECT: Multiply 4x + 5y = 53 by 2 and multiply 7x + 2y = 59 by 5. Then a
Lesson1Quiz
LinearSystems
Results of the quiz. 1. Identify the graph of the system and its solution.
INCORRECT:
(3, 0)
CORRECT:
infinite number of solutions
2. One equation of a system of equations is
ChapterTest
LinearSystems
Results of the quiz. 2. Which of the following are the values of x and y that minimize the objective function for this system of constraints?
; P = x + 2y
CORRECT: ( , 2) 3.
ChapterTest
QuadraticRelations
Results of the quiz. 1. Find the equation of a hyperbola with a = 452 and c = 765. Assume that the transverse axis is horizontal.
CORRECT:
=1
2. Write the equation of an
Lesson6Quiz
QuadraticEquationsandFunctions
Results of the quiz. 1. Simplify (5 4i)(2 + 9i).
CORRECT: 26 53i 2. Find the absolute value of |1 + 3i|.
CORRECT: 3. Find the additive inverse of 6 3i.
CORRE
Lesson5Quiz
QuadraticEquationsandFunctions
Results of the quiz. 1. Solve 6x2 = 48. If necessary, round your answer to the nearest hundredth.
CORRECT: 2
2.83
2. A rocket is launched from atop a 63-foo
Lesson3Quiz
QuadraticEquationsandFunctions
Results of the quiz. 1. Write the equation of the parabola in vertex form.
CORRECT: y = (x + 1)2 3 2. Write y = 3x2 + 12x 21 in vertex form.
CORRECT: y = 3(x
Lesson2Quiz
QuadraticEquationsandFunctions
Results of the quiz. 1. Find the quadratic function y = ax2 + c with a graph that includes (0, ) and (3, ).
CORRECT: y = 4x2 +
2. Graph y =
x2 + 3x + 4. Find