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Exam (elaborations)
Maths Methods Unit 1 Exam 
Inequalities - CORRECT ANSWER-On a number 
line: ≤ or ≥ uses a closed dot, <or> uses an open 
dot. 
Gradient of a Straight Line - CORRECT 
ANSWER-Can be positive/, negative, zero -, or 
undefined |. m=rise/run=(y_2
PopularMaths Methods Unit 1 Exam 
Inequalities - CORRECT ANSWER-On a number 
line: ≤ or ≥ uses a closed dot, <or> uses an open 
dot. 
Gradient of a Straight Line - CORRECT 
ANSWER-Can be positive/, negative, zero -, or 
undefined |. m=rise/run=(y_2-y_1)/(x_2-x_1 ) or 
m=tanθ. 
Linear Graphs - CORRECT ANSWER-General 
form: y=mx+c. There are 2 methods: the 
gradient/y-intercept method (plot c and then use 
m to find another point), and the x/y method (find 
and plot the x and y intercepts)...