Mastering Basics of Mathematics

What is the value of 3x + 5 when x = 2?

• 11

• 7

• 9

• 15

Simplify the expression: 4a - 2a + 3.

• 3a + 3

• 4a + 3

• 2a + 3

• 2a - 3

If x^2 - 5x + 6 = 0, what are the roots of the equation?

• x = 0, x = 5

• x = -2, x = -3

• x = 2, x = 3

• x = 1, x = 6

Solve for x: 2x^2 + 3x - 5 = 0.

• x = 0

• x = 1, x = -2.5

• x = 2

• x = -1

What is the sine of 30 degrees?

• 0.75

• 0.25

• 0.5

• 1.0

If tan(θ) = 1, what is the value of θ in degrees?

• 90

• 60

• 30

• 45

Calculate the probability of rolling a sum of 7 with two dice.

• 1/4

• 1/8

• 1/12

• 1/6

What is the probability of drawing a red card from a standard deck of cards?

• 3/4

• 1/4

• 1/3

• 1/2

In a coordinate plane, what is the distance between the points (3, 4) and (0, 0)?

• 3

• 4

• 6

• 5

What is the midpoint of the line segment joining (2, 3) and (4, 7)?

• (3, 5)

• (3, 7)

• (4, 3)

• (2, 5)