Chapter11: Graphs
Section11.3: Graphing With Intercepts
Problem 199E: How do you find the x-intercept of the graph of 3x—2y = 6?
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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The function f(x)=3x2 +9x-3 has x-intercepts p and q. What is the value of
p-pq+q?
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