11: Investigation
# INVESTIGATION 1
Term 1 2021
Capricorn South District
A quadratic...
Mathematics, 18.03.2021 18:50 vitalitas
11: Investigation
# INVESTIGATION 1
Term 1 2021
Capricorn South District
A quadratic equation has the standard form ax + bx +c= 0, where a, b and care constant and a
Solving quadratic equations involves following defined steps.
METHOD: SOLUTION OF QUADRATIC EQUATIONS
A.
Simplify the equation
B.
Write the equation in standard form
C.
Factorise the equation
D.
Apply the zero - product property (if a x b = 0, then
...)
.1
Write down the zero - product property for equations
Answers: 1
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Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
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