Math 4 Quiz

Solve the quadratic equation: 2x^2 - 5x + 2 = 0

• x = 2 or x = 0.5

• x = 4 or x = -2

• x = -1 or x = 3

• x = 1 or x = 2

Solve the quadratic equation: x^2 + 4x - 5 = 0

• x = 0 or x = -1

• x = 3 or x = -4

• x = 1 or x = -5

• x = 2 or x = -3

Solve the quadratic equation: 3x^2 - 7x + 2 = 0

• x = -1/3 or x = -2

• x = 4 or x = -5

• x = 1/3 or x = 2

• x = 1/2 or x = 3

Find the solution to the logarithmic equation: log(x) = 3

• x = 10

• x = 5

• x = 1000

• x = 1

Find the solution to the logarithmic equation: log(2x) = 2

• x = 10

• x = 100

• x = 25

• x = 50

Find the solution to the logarithmic equation: log(5x) = 4

• x = 200

• x = 25

• x = 100

• x = 50

A fair six-sided die is rolled. What is the probability of rolling a 3?

• 1/3

• 1/6

• 1/2

• 1/4

A bag contains 4 red, 3 blue, and 5 green marbles. If a marble is chosen at random, what is the probability of choosing a blue marble?

• 3/12

• 5/12

• 4/12

• 2/12

In a class of 30 students, 18 are girls. If a student is chosen at random, what is the probability of choosing a boy?

• 0.2

• 1.2

• 0.4

• 0.6

Find the resultant of the vectors A = 3i + 4j and B = -2i + 5j

• 5i + 2j

• 4i + 3j

• 7i + 6j

• i + 9j