Quadratic formula ans - Study guides, Class notes & Summaries
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OCR Maths A-level OCR MEI (B)
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Quadratic Formula - ANS-x = -b ± √(b² - 4ac)/2a 
Pythagorean Theorem - ANS-a²+b²=c² 
(a^x)(a^y) - ANS-a^(x + y) 
a^x / a^y - ANS-a^(x - y) 
(a^x)^y - ANS-a^xy 
x = a^n - ANS-n = logA(x) 
logAx + logAy - ANS-logA(xy) 
kloga(x) - ANS-loga(x^k) 
straight line formula - ANS-(y - y1) = m(x-x1) 
perpendicular gradients are... - ANS-negative reciprocals 
General term of AP - ANS-Un = a + (n-1)d 
General term of GP - ANS-Un = ar^n-1 
Sine rule - ANS-a/sinA = b/sinB = c/sinC 
Cosine rule - ANS-a²...
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Math Accuplacer Prep. 2023
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Math Accuplacer Prep. 2023 
slope of 0 - ANS-horizontal 
standard form - ANS-Ax+By=C 
numerator of 0 - ANS-undefined 
point slope form - ANS-y-y1=m(x-x1) 
quadratic formula - ANSslope formula - ANS-(y₂- y₁) / (x₂- x₁) 
slope-intercept formula - ANS-y=mx+b 
intiger - ANSrational number - ANSirrational number - ANSabsolute value - ANSliner function - ANS-Y=a +bX 
quadratic function - ANS-ax^2+bx+c=0 
cubic function - ANS-f(x)=ax^3+bx^2+cx+d 
exponential function - ANS-a function of th...
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OCR Maths
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Quadratic Formula - ANS-x = -b ± √(b² - 4ac)/2a 
Pythagorean Theorem - ANS-a²+b²=c² 
(a^x)(a^y) - ANS-a^(x + y) 
a^x / a^y - ANS-a^(x - y) 
(a^x)^y - ANS-a^xy 
x = a^n - ANS-n = logA(x) 
logAx + logAy - ANS-logA(xy) 
kloga(x) - ANS-loga(x^k) 
straight line formula - ANS-(y - y1) = m(x-x1)
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Practice Exam 1 Questions And Answers
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Practice Exam 1 Questions And Answers 
Practice Exam 1 
 
 
 
 
 
Lloyd Free made 40% of his 520 shots during the first 30 games of a 72 game season and made 330 out of 600 shots during the remaining games. What was his approximate shooting percentage for the whole season? 
55.5% 
89% 
48% 
49% - ANS 48% 
 
Given the following numbers, what is the next term in the sequence?3, 8, 18, 38, 78, 158 . . . 
318 
475 
315 
474 - ANS 318 
 
Simplify this algebraic expression:3b - (4b - 6b +...
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IB Math SL- Things to Memorize 2023
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IB Math SL- Things to Memorize 
2023 
Vector lines - ANS-If perpendicular: costheta will be 0 when u do the angle formula 
If parallel: If theta when we do costheta formula is 180 
Coincident lines: They are the same line, they share a point & their direction vectors are 
scalar multiples 
If the question is talking about movement, then the direction vector tells you the velocity 
and its magnitude is the speed 
If you have a question asking for the equation of the tangent line at x = 1, for ...
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OCR GCSE Maths Formulae
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Difference of two squares - ANS-a² - b² = (a + b)(a - b) 
The Quadratic Formula – ANS 
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Gradient of a line - ANS-change in y ÷ change in x 
Equation of a straight line - ANS-y = mx + c 
Equation of a circle with centre (0,0) - ANS-x² + y² = r² 
Compound interest - ANSSpeed, Distance and Time - ANS-speed = distance ÷ time
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Edexcel A Level Maths (A+ Graded 100% Verified)
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Edexcel A Level Maths (A+ Graded 100% Verified) 
 
Cosine Rule - Know 2 sides, and the angle in between. You want the missing side. ANS: a² = b² + c² - 2bcCosA 
 
Cosine Rule - Know 3 sides. You want an angle. ANS: Cos A = (b² + c² - a²) ÷ 2bc 
 
Sine Rule - Know 2 angles and a side. You want the missing side. ANS: (a ÷ SinA) = (b ÷ SinB) = (c ÷ SinC) 
 
Sine Rule - Know 2 sides and an angle. You want a missing angle. ANS: (Sin A ÷ a) = (Sin B ÷ b) = (Sin C ÷ c) 
 
Midpoint of a...
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CST Math Multi-Subject 7-12 Exam Questions and Answers
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Quadratic Formula - ANSWER-x=-b±[√b²-4ac]/2a 
 
Sin - ANSWER-opposite/hypotenuse 
 
Cos - ANSWER-adjacent/hypotenuse 
 
Tan - ANSWER-opposite/adjacent 
 
Law of Sines - ANSWER-a/sinA=b/sinB=c/sinC 
 
Law of Cosines - ANSWER-a²=b²+c²-2bcCosA 
 
Area of a Triangle TRIG - ANSWER-K=1/2abSinC 
 
Area of a Triangle - ANSWER-A=1/2bh 
 
Area of a Trapezoid - ANSWER-A=1/2h(b1+b2) 
 
Lateral Area of a Right Circular Cylinder - ANSWER-L=2πrh 
 
Lateral Area of a Right Circular Cone - ANSWER-L=πrl ...
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CST Math Multi-Subject 7-12 Exam Questions and Answers 100% Correct
- Exam (elaborations) • 2 pages • 2024
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Quadratic Formula - ANSWER-x=-b±[√b²-4ac]/2a 
 
Sin - ANSWER-opposite/hypotenuse 
 
Cos - ANSWER-adjacent/hypotenuse 
 
Tan - ANSWER-opposite/adjacent 
 
Law of Sines - ANSWER-a/sinA=b/sinB=c/sinC 
 
Law of Cosines - ANSWER-a²=b²+c²-2bcCosA 
 
Area of a Triangle TRIG - ANSWER-K=1/2abSinC 
 
Area of a Triangle - ANSWER-A=1/2bh 
 
Area of a Trapezoid - ANSWER-A=1/2h(b1+b2) 
 
Lateral Area of a Right Circular Cylinder - ANSWER-L=2πrh 
 
Lateral Area of a Right Circular Cone - ANSWER-L=πrl ...
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Ch. 3 & 4 College Algebra Questions and Answers 2023
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Ch. 3 & 4 College Algebra Questions and Answers 2023 
Y=f(x)+c or f(x)-c 
vertical (y) up/down 
 
 
 
Y=f(x+c) or f(x-c) 
horizontal (left/right) 
 
 
 
Y=f(x)+c 
move up (y) 
 
 
 
Y=f(x)-c 
move down (y) 
 
 
 
Y=f(x+c) 
move left (x) 
 
 
 
Y=f(x-c) 
move right (x) 
 
 
 
Y=cf(x) 
vertical stretch 
 
 
 
Y=cf(x) (c>1) positive # 
pull up 
 
 
 
Y=cf(x) (c<1) negative # 
push down 
 
 
 
Y=f(cx) 
horizontal stretch 
 
 
 
Y=f(cx) multiply c to x and #>1 ex: 2-/x 
stretch 
 
 
 
Y=f(cx...
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