360 results authored by Merryn Horrocks - search across all users.
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Question in HELM books
Find the equation of a line through 2 points. The line is not vertical.
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Question in HELM books
Find the equation of a line passing through two points in the form y=mx+b. The question is set up so that m and b will be integers.
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Question in HELM books
Find the gradient of a line through 2 given points. Part of HELM Book 2.5.2.
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Question in HELM books
Find the gradient of a line through 2 points. The line is not vertical.
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Exam (3 questions) in HELM books
Exercises for HELM Book 2.5.1
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Question in HELM books
Identify the gradient and y-axis intercept of a random non-vertical line.
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Question in HELM books
Given one of ax+b, a/x, x^(1/a), a, is it a straight line. a is a randomised integer.
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Question in HELM books
State the general form of the equation of a straight line explaining the role of each of the terms in your answer.
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Question in HELM books
Compare the gradients of 3 lines and choose the steepest. Part of HELM Book 2.5.1.
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Question in HELM books
Find the gradients of 3 lines. Part of HELM Book 2.5.1.
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Question in HELM books
Find the vertical intercept of 4 lines. Part of HELM book 2.5.1
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Question in HELM books
Describe the effect of changing the value of a constant term in a linear function. Part of HELM Book 2.5.1.
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Exam (2 questions) in HELM books
Exercises for HELM Book 2.4.3
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Question in HELM books
Identify whether a function is odd, even or neither from its graph. Part of HELM Book 2.4.3.
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Question in HELM books
Given the period of a repeating function, determine the number of repeats in a given amount of time. Part of HELM Book 2.4.
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Exam (2 questions) in HELM books
Exercises for HELM Book 2.4.1
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Question in HELM books
Given a piecewise function determine whether the limit exists at two points. Part of HELM Book 2.4.1.
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Question in HELM books
Compute the inverse of a linear or hyperbolic function. Part of HELM book 2.3.
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Question in HELM books
Find the inverse of a linear function. Part of HELM book 2.3.
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Question in HELM books
Determine whether three graphs are functions or not. Part of HELM Book 2.3.
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Question in HELM books
Given parametric equations, graph the function and obtain an explicit equation. Part of HELM Book 2.2.2.
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Question in HELM books
Use parametric equations to find x for a given value of y. Part of HELM Book 2.2.2.
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Question in HELM books
Graph x^2 - y^2 = 1 from a parametric definition. Part of HELM Book 2.2.2.
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Exam (3 questions) in HELM books
Exercises for HELM Book 2.2.1
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Question in HELM books
Identify the value that is not part of the domain of a function. Part of HELM Book 2.2.1.
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Question in HELM books
Draw a graph of y=x^3 by plotting points. Part of HELM book 2.2.1
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Question in HELM books
Graph a linear or quadratic function and state its domain and range. Part of HELM Book 2.2.1.
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Question in HELM books
Asked to define a function term, e.g. domain, or x(t). Part of HELM book 2.2.1.
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Question in HELM books
Graph the function y=x^2+2 on [-3,3] by plotting points. State the domain and range. This is part of HELM Book 2.2.1.
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Question in HELM books
Evaluate a composition of functions for a randomised numerical input. The functions are 3t+2 and t+3. This is part of HELM Book 2.1.3.