ACT - MATH

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+11
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Pythagorean Theorem?
Back
The Pythagorean Theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). Formula: a² + b² = c².
Tags
CCSS.8.G.B.8
2.
FLASHCARD QUESTION
Front
Define a linear equation.
Back
A linear equation is an equation of the first degree, meaning it has no variables raised to a power greater than one. It can be written in the form ax + b = 0, where a and b are constants.
3.
FLASHCARD QUESTION
Front
What is the slope of a line?
Back
The slope of a line is a measure of its steepness, calculated as the rise over run (change in y over change in x). It is often represented as 'm' in the equation of a line, y = mx + b.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
Explain the concept of a function.
Back
A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output. It can be represented as f(x).
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
What is the quadratic formula?
Back
The quadratic formula is used to find the solutions of a quadratic equation ax² + bx + c = 0. It is given by x = (-b ± √(b² - 4ac)) / (2a).
Tags
CCSS.HSA-REI.B.4B
6.
FLASHCARD QUESTION
Front
Define the term 'mean' in statistics.
Back
The mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.
Tags
CCSS.6.SP.B.5C
7.
FLASHCARD QUESTION
Front
What is the difference between the median and the mode?
Back
The median is the middle value in a data set when arranged in order, while the mode is the value that appears most frequently in the data set.
Tags
CCSS.6.SP.B.5C
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