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 parabola.
CORRECT: vertex: ( ,
); axis of symmetry: x
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 statement about this system of equations is true?
CORR
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. Moreover, production levels are limited by the formul
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. Identify the graph that shows the solution to the system of in
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 add.
2. How can you rewrite the system
to solve it using
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 5x + 2y = 10. What is the second equation such that th
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. Identify the graph that shows the solution to the syste
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 ellipse with center (2, 4), horizontal major axis leng
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-foot cliff with an initial velocity of 95 feet per second.
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 2)2 9 3. Write y = 4x2 64x 265 in vertex form.
CORRECT
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 the minimum or maximum value.
CORRECT: 3. Graph y = x2
ChapterTest
QuadraticEquationsandFunctions
Results of the quiz. 1. Solve 9x2 + 6x + 1 = 64.
CORRECT: 3, 2. Identify the vertex and y-intercept of the graph of f(x) = 4(x + 3)2 + 7.
CORRECT: (3, 7), y-intercept 29 3. Lane Manufacturing estimates that its w