Algebra 1 Semester 1 Review

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•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range of a function is the set of all possible output values (y-values) that the function can produce based on its domain (input values).
2.
FLASHCARD QUESTION
Front
How do you evaluate a function at a specific point?
Back
To evaluate a function f(x) at a specific point x = a, substitute 'a' into the function and simplify. For example, for f(x) = 3x + 1, to find f(-2), calculate 3(-2) + 1 = -5.
3.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
The slope-intercept form is given by the equation y = mx + b, where m is the slope and b is the y-intercept.
4.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points?
Back
The slope (m) can be calculated using the formula m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points.
5.
FLASHCARD QUESTION
Front
What does it mean for a function to be increasing or decreasing?
Back
A function is increasing if its output values rise as the input values increase. It is decreasing if the output values fall as the input values increase.
6.
FLASHCARD QUESTION
Front
What is an inequality?
Back
An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, greater than or equal to, or less than or equal to the other.
7.
FLASHCARD QUESTION
Front
How do you graph a linear inequality?
Back
To graph a linear inequality, first graph the corresponding equation as a line. Then, use a dashed line for < or > and a solid line for ≤ or ≥. Shade the region that satisfies the inequality.
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