Core Knowledge Flashcards
7 cards from real MPT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Core Knowledge flashcards as text
Which value of x satisfies log₂(x) = 5?
Answer: 32
log₂(x)=5 means 2⁵=x, so x=32.
Simplify: (2/3) ÷ (4/9)
Answer: 3/2
(2/3)×(9/4) = 18/12 = 3/2.
What is the distance between the points (1, 2) and (5, 5)?
Answer: 5
√((5−1)²+(5−2)²)=√(16+9)=√25=5.
A student scores 78, 85, 90, and 91 on four tests. What score is needed on the fifth test to average exactly 85?
Answer: 81
Total needed = 85×5=425; current sum=344; 425−344=81.
What is the product of the roots of x² − 7x + 10 = 0?
Answer: 10
By Vieta's formulas, the product of roots equals c/a = 10/1 = 10.
What is 15% of 240?
Answer: 36
0.15 × 240 = 36.
Solve: √(2x + 1) = 5
Answer: x = 12
Square both sides: 2x+1=25 → 2x=24 → x=12.