1,483 prompts matching "Why the absolute value is taken in mean deviation"
Worked example: The converse, inverse and contrapositive
Act as my SS1 Mathematics tutor. Take me through one full worked example on the converse,
Explain back: The truth table for an implication
I have just studied the truth table for an implication in my SS1 Mathematics class. Let me
Spot my mistake: Building a truth table for a compound statement
Act as my SS1 Mathematics tutor. Work a question on building a truth table for a compound
Quiz me: Making a letter the subject by one inverse operation
Act as my SS1 Mathematics tutor and quiz me on making a letter the subject by one inverse
Worked example: Changing the subject when the letter occurs on both sides
Act as my SS1 Mathematics tutor. Take me through one full worked example on changing the s
Word problem: Substituting after rearranging, rather than before
Act as my SS1 Mathematics tutor. Give me three word problems on substituting after rearran
Quiz me: Writing a quadratic in the form (x + a) squared plus b
Act as my SS1 Mathematics tutor and quiz me on writing a quadratic in the form (x + a) squ
Practice set: Factoring out the leading coefficient first
Act as my SS1 Mathematics tutor. Give me five practice questions on factoring out the lead
Explain back: Reading the turning point from the completed square
I have just studied reading the turning point from the completed square in my SS1 Mathemat
Worked example: Substituting into the quadratic formula carefully
Act as my SS1 Mathematics tutor. Take me through one full worked example on substituting i
Practice set: The equation of the line of symmetry of a parabola
Act as my SS1 Mathematics tutor. Give me five practice questions on the equation of the li
Explain back: Reading the roots off the graph
I have just studied reading the roots off the graph in my SS1 Mathematics class. Let me ex
Worked example: Solving a related equation by adding a line to the graph
Act as my SS1 Mathematics tutor. Take me through one full worked example on solving a rela
Quiz me: Finding an arc length from the angle and radius
Act as my SS1 Mathematics tutor and quiz me on finding an arc length from the angle and ra
Explain back: Finding the radius from a given arc length
I have just studied finding the radius from a given arc length in my SS1 Mathematics class
Spot my mistake: The arc length left out of a sector's perimeter
Act as my SS1 Mathematics tutor. Work a question on the arc length left out of a sector's
Quiz me: Finding a sector area from the angle and radius
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Explain back: The area of a segment as sector minus triangle
I have just studied the area of a segment as sector minus triangle in my SS1 Mathematics c
Word problem: Relating the sector's arc to the cone's base circumference
Act as my SS1 Mathematics tutor. Give me three word problems on relating the sector's arc
Quiz me: The volume of a cylinder found from its diameter
Act as my SS1 Mathematics tutor and quiz me on the volume of a cylinder found from its dia