What is the slope of a line perpendicular to the line represented by the equation y = 2x + 3?
EOC Review Flashcard (19/20)

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The slope of a line perpendicular to y = 2x + 3 is -\frac{1}{2}.
2.
FLASHCARD QUESTION
Front
How do you find the y-intercept of a linear function?
Back
To find the y-intercept of a linear function, set x = 0 in the equation and solve for y.
3.
FLASHCARD QUESTION
Front
What is the recursive formula for the sequence 2, -8, 32, -128, ...?
Back
The recursive formula is x_n = -4x_{n-1}.
4.
FLASHCARD QUESTION
Front
What type of solutions does the quadratic function y = x^2 + 7x + 12 have?
Back
The quadratic function has two negative solutions.
5.
FLASHCARD QUESTION
Front
How do you determine the x-coordinate of the vertex of a quadratic function in the form h(t) = at^2 + bt?
Back
The x-coordinate of the vertex is given by the formula x = -\frac{b}{2a}.
6.
FLASHCARD QUESTION
Front
What is the general form of a linear equation?
Back
The general form of a linear equation is Ax + By + C = 0.
7.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in a linear function?
Back
The y-intercept is the point where the line crosses the y-axis, indicating the value of y when x = 0.
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