Question 1

Find the value of y when 10x + 3y = 16 and x = 1

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4 B

Question 2

Calculate the value of y when x = -2 and if y = 4x2 + 2x + 6

Accepted Answer

A)  18 
B)  20 
C)  22 
D)  24 
A)  18 
B)  20 
C)  22 
D)  24 A

Question 3

When plotting the ratio of two linear functions, what name is given to lines that the graph cannot cross?

Accepted Answer

A)  Boundaries 
B)  Limits 
C)  Asymptotes 
D)  Rationals 
A)  Boundaries 
B)  Limits 
C)  Asymptotes 
D)  Rationals C

Question 4

What degree is the equation y = 6x4 + 3x3 - 2x2 + 7x - 8 ?

Accepted Answer

A)  First 
B)  Second 
C)  Third 
D)  Fourth 
A)  First 
B)  Second 
C)  Third 
D)  Fourth

Question 5

How many turning points does the graph of a quadratic equation have?

Accepted Answer

A)  None 
B)  One 
C)  Two 
D)  It can vary 
A)  None 
B)  One 
C)  Two 
D)  It can vary

Question 6

Calculate the value of y when x = 5 and y = (2 decimal places)

Accepted Answer

A)  3.33 
B)  4.44 
C)  5.55 
D)  6.66 
A)  3.33 
B)  4.44 
C)  5.55 
D)  6.66

Question 7

What is the general shape of the graph of a quadratic equation?

Accepted Answer

A)  Straight line 
B)  A curve 
C)  An S-shape 
D)  A parabola 
A)  Straight line 
B)  A curve 
C)  An S-shape 
D)  A parabola

Question 8

Calculate the value of y when x = 3 and y = 4x4- 6x3 + 3x2 + 7x - 12

Accepted Answer

A)  194 
B)  198 
C)  202 
D)  206 
A)  194 
B)  198 
C)  202 
D)  206

Question 9

Calculate the value of y when x = 10 and if y = 3x - 4

Accepted Answer

A)  20 
B)  22 
C)  24 
D)  26 
A)  20 
B)  22 
C)  24 
D)  26

Question 10

Which of the following equations might be used to calculate the total cost of production of a car ( c) given the prices of components (m), wages (w) and other fixed costs (f)?

Accepted Answer

A)  c = (m + w) x f 
B)  c = m x w - f 
C)  c = m + w + f 
D)  c = m - (w + f) 
A)  c = (m + w) x f 
B)  c = m x w - f 
C)  c = m + w + f 
D)  c = m - (w + f)

Exam 24: Functions and Graphs

Find the value of y when 10x + 3y = 16 and x = 1

Calculate the value of y when x = -2 and if y = 4x2 + 2x + 6

When plotting the ratio of two linear functions, what name is given to lines that the graph cannot cross?

What degree is the equation y = 6x4 + 3x3 - 2x2 + 7x - 8 ?

How many turning points does the graph of a quadratic equation have?

Calculate the value of y when x = 5 and y = (2 decimal places)

What is the general shape of the graph of a quadratic equation?

Calculate the value of y when x = 3 and y = 4x4- 6x3 + 3x2 + 7x - 12

Calculate the value of y when x = 10 and if y = 3x - 4

Which of the following equations might be used to calculate the total cost of production of a car ( c) given the prices of components (m), wages (w) and other fixed costs (f)?

Introduction to Business Mathematics and Statistics

Sampling and Data Collection

Data and Their Accuracy

Frequency Distributions and Charts

General Charts and Graphs

Arithmetic Mean

Median

Mode and Other Measures of Location

Measures of Dispersion and Skewness

Standard Deviation

Quantiles and the Quartile Deviation

Linear Functions and Graphs

Regression Techniques

Correlation Techniques

Time Series Model

Time Series Trend

Seasonal Variation and Forecasting

Index Relatives

Composite Index Numbers

Special Published Indices

Interest and Depreciation

Present Value and Investment Appraisal

Annuities

Linear Equations

Quadratic and Cubic Equations

Differentiation and Integration

Cost, Revenue and Profit Functions

Set Theory and Enumeration

Introduction to Probability

Conditional Probability and Expectation

Combinations and Permutations

Binomial and Poisson Distributions

Normal Distribution

Linear Inequalities

Matrices

Inventory Control

Network Planning and Analysis

Filters

Calculate the value of y when x = -2 and if y = 4x² + 2x + 6

What degree is the equation y = 6x⁴ + 3x³ - 2x² + 7x - 8 ?

Calculate the value of y when x = 3 and y = 4x⁴- 6x³ + 3x² + 7x - 12