Quadratic formula ans - Study guides, Class notes & Summaries

Difference of two squares - ANS-a² - b² = (a + b)(a - b) The Quadratic Formula – ANS - 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

Chapter 3: Polynomial and Rational Functions 1. Graph the given function. A) B) C) Larson/Hodgkins, College Algebra with Applications for Business and the Life Sciences, 2e Page 1 D) E) Ans: D 2. Find an equation of the parabola below. A) Larson/Hodgkins, College Algebra with Applications for Business and the Life Sciences, 2e 2 y–x–2 –3 Page 2 B) C) D) E) Ans: D 3. m(x)6x–62 +2 shifts right 6 units, shifts downward 2 units, and shrinks ...

GMAT Math Ultimate Review 2023 Common Factors - ANS-Break down both numbers to their prime factors to see what factors they have in common. Multiply all combinations of shared prime factors to find all common factors. Gross Profit - ANS-Gross profit = Selling Price - Cost Combined Events - ANS-For events E and F: • not E = P(not E) = 1 - P(E) • E or F = P(E or F) = P(E) + P(F) - P(E and F) • E and F = P(E and F) = P(E)P(F) Multiplication Principle - ANS-The number of ways indepe...

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...

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 +...

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 ...

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...

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 ...

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 ...

Ch. 3 & 4 College Algebra Questions and Answers, Graded A+ 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 ...