Emaciated
A. Use of force
B. Skeptical
C. Thin and wasted
D. Curtail
Thin and wasted
Margin of error
A way to describe the level of uncertainty when a statistic about a population is being estimated by a sample from that population. The margin of error can be easily converted to a confidence interval, and vice versa.
Choose the correct form: "Neither the teacher nor the students ___ aware of the change in schedule."
Were
What is the area of a triangle with vertices at (0,0)(0,0), (4,0)(4,0), and (2,6)(2,6)?
12 square units
Provide a synonym for the word "convoluted".
Complicated
Paucity
A. Piety
B. Provoke
C. Scarcity
D. Insularity
Scarcity
FOIL
– An acronym that describes the process of multiplying two binomials. It stands for Firsts, Outters, Inners, Lasts.
Correct the sentence: "The team are working hard to improve their performance."
"The team is working hard to improve its performance."
A circle has a radius of 6 and a sector with a central angle of 60°. What is the area of the sector?
6π square units (or 18.85 square units)
Provide a synonym for the word "ephemeral".
Temporary
Debilitate
A. Obdurate
B. Enfeeble
C. Exalt
D. Affable
Enfeeble
Standard deviation
A statistic that describes how spread out the data is. A low standard deviation means the data are gathered (or “clumped”) close to the mean, while a high standard deviation means that there are data points pretty far to the left and the right of the center. You will need to know this concept for the SAT, but you won’t need to use a formula to calculate a standard deviation.
Correct the sentence: "The committee, which were appointed last year, will present their findings tomorrow."
"Were" should be "was" ("The committee, which was appointed...")
If two parallel lines are cut by a transversal, what is the sum of the alternate interior angles?
180°
Provide a synonym for the word "aberration"
Deviation or Anomaly
Intractable
A. Refractory
B. Intervene
C. Illicit
D. Quaint
Refractory
Radian
A unit of measurement for angles. A right angle is 𝜋 radians, a straight angle is 𝜋 radians, and a. whole circle is 2𝜋 radians.
Rewrite the sentence for clarity and correctness: "The decision of whether or not the project will proceed depend on several factors."
"Depends" should be "depends" ("The decision depends on several factors.")
The base of a right triangle is 7 and the height is 24. What is the length of the hypotenuse?
25 (using the Pythagorean theorem)
The word "ineffable" means :
Too great for description
Expedite
A. Hasten
B. Implement
C. Fallow
D. Extol
Hasten
Inverse matrix
This term refers to a matrix that can be used to solve a system of linear equations, where its determinant is non-zero, allowing for a unique solution.
Correct the sentence: "Each of the students were required to submit their assignments by Friday."
"Were" should be "was" ("Each of the students was required...")
A regular polygon has an interior angle of 108°. How many sides does the polygon have?
5 sides (pentagon)
What is the best definition for "mellifluous"?
Sweet-sounding