Deck 24: Functions and Graphs

Question 1

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

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

Answer 1

198

Question 2

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

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

Answer 2

2

Question 3

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

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

Answer 3

One

Question 4

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

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

Question 5

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

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

Question 6

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

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

Question 7

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

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

Question 8

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

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

Question 9

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)?

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

Question 10

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

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