🔢 Math & Numbers Trivia
Quiz Set 5 — Algebra
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What does the variable x typically represent?
In algebra, x represents an unknown value to be solved.
Question 2 of 10
What is the quadratic formula for ax²+bx+c=0?
The quadratic formula solves any quadratic equation.
Question 3 of 10
What is the slope of a horizontal line?
A horizontal line has a slope of 0.
Question 4 of 10
If 3x = 21, what is x?
3x = 21, so x = 21/3 = 7.
Question 5 of 10
What is the y-intercept of y = 2x + 5?
The y-intercept is the constant term, 5 (where x=0).
Question 6 of 10
What shape does a linear equation graph?
A linear equation (y = mx + b) always graphs as a straight line.
Question 7 of 10
What is the distributive property?
The distributive property: a(b+c) = ab + ac.
Question 8 of 10
What is i (imaginary unit) equal to?
The imaginary unit i = √(-1).
Question 9 of 10
What is the solution to |x| = 5?
Absolute value equations have two solutions: x = 5 or x = -5.
Question 10 of 10
What type of equation is y = x²?
y = x² is a quadratic equation forming a parabola.