Chapter 7: Problem 4
Rewrite each of the statements without using a modulus sign: $$ |x| \leq 7.5 $$
Short Answer
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Chapter 7: Problem 4
Rewrite each of the statements without using a modulus sign: $$ |x| \leq 7.5 $$
These are the key concepts you need to understand to accurately answer the question.
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Get started for freeBy sketching an appropriate graph, or otherwise, solve the inequality \(\frac{1}{2-x}<5\).
Given \(a\) is proportional to \(b\), state which of the following are true and which are false: (a) when \(a\) doubles, then \(b\) also doubles (b) when \(a\) is halved, then \(b\) is doubled (c) a graph of \(a\) against \(b\) is a straight line graph (d) \(a\) divided by \(b\) is a constant
Factorise \(x^{3}+6 x^{2}+6 x+5\) given that \(x+5\) is a factor.
Verify that the given value is a solution of the given equation. $$ 8 x-3=-11, x=-1 $$
Solve the simultaneous equations $$ 3 x-2 y=11,5 x+7 y=39 $$
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