Algebraic Concepts Flashcards
7 cards from real BSEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Algebraic Concepts flashcards as text
What is the solution to the inequality 4x < 20?
Answer: x < 5
Divide both sides by 4: x < 5.
Which ordered pair lies on the line y = 2x - 1?
Answer: (0, -1)
When x = 0: y = 2(0) - 1 = -1, confirming (0, -1) is on the line.
Evaluate the expression 2a² - 3b when a = 3 and b = 4.
Answer: 6
Substitute: 2(3²) - 3(4) = 2(9) - 12 = 18 - 12 = 6.
Which property is used to rewrite 5(x + 3) as 5x + 15?
Answer: Distributive property
The distributive property states a(b + c) = ab + ac, used here to expand 5(x + 3).
Solve for x: x/4 + 3 = 7
Answer: 16
Subtract 3 from both sides: x/4 = 4, then multiply both sides by 4: x = 16.
Two numbers have a sum of 20 and a difference of 6. What are the two numbers?
Answer: 7 and 13
If x + y = 20 and x - y = 6, adding gives 2x = 26, so x = 13 and y = 7.
What does it mean when two linear equations have no solution?
Answer: The lines are parallel
Parallel lines never intersect, so a system of two parallel lines has no solution.