Math Quiz Questions: Equations, Probability, Geometry, and more!

Question 1

What is the value of x in the equation 4x + 5 = 17?

Accepted Answer

x = 3

Question 2

Simplify the expression (2x^2 + 3x - 4) ÷ (x - 2)

Accepted Answer

(x - 1)

Question 3

Find the equation of the tangent to the curve y = x^2 + 3x + 2 at the point (1, 6)

Accepted Answer

y = 2x + 4

Question 4

If the probability of an event A is 0.7 and the probability of an event B is 0.4, what is the probability of both events happening?

Accepted Answer

0.3

Question 5

A circle has a radius of 8 cm. Find the length of an arc that subtends a central angle of 45 degrees.

Accepted Answer

16 cm

Question 6

Solve the equation 2^(x+1) - 2^(x-1) = 96

Accepted Answer

x = 5

Question 7

Find the value of k in the equation 2x^2 + 5x + k = 0, given that one root is -3

Accepted Answer

k = 15

Question 8

A car accelerates uniformly from rest to a speed of 30 m/s in 10 seconds. What is the acceleration of the car?

Accepted Answer

10 m/s^2

Question 9

Solve the simultaneous equations: 2x + 3y = 7 and 4x - y = 11

Accepted Answer

x = 1, y = 2

Question 10

A box contains 4 red balls, 5 green balls, and 3 blue balls. If a ball is randomly selected, what is the probability that it is not blue?

Accepted Answer

7/12