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what is 3x-x | Wyzant Ask An Expert 3x means you have three x's Then 3x - x means you have three x's and you take away (subtract) one x This would leave you with two x's
3x+4y=0 Turn into slope intercept form | Wyzant Ask An Expert 3x + 4y = 0 First let's subtract 3x fromboth sides of the equation so that we have the 4y alone on the left side of the equation: 3x + 4y - 3x = -3x + 0 Then 4y = -3x + 0 Next, divide both side of the equation by 4: 4y 4 = (-3x + 0 ) 4 Then y = ( -3x) 4 + 0 4 OR y = -3 4 x + 0 The slope, m, is -3 4 and the y-intercept is 0
(3x-6) (3x+6) | Wyzant Ask An Expert First, we will multiply the First terms In this case, the first terms are 3x and 3x 3x*3x=9x^2 Then we multiply the Outside terms, which are 3x and 6, so 3x*6=18x After that, we multiply the Inside terms, or 3x and -6 so 3x*-6=-18x and last, we multiply the Last terms, which are 6 and -6 6*-6=-36 So now we have 9x^2+18x-18x-36
Use the function f(x) to answer the questions: f(x) = 2x2 − 3x − 5 f(x) = 2x 2-3x -5 For Part A Set f(x) = 0 Factor the Quadratic Set the factors = 0 Solve each factor for x to find your x intercepts For Part B You need to use the coefficients in your Quadratic List them a = 2 , b = -3 and c = -5 Since a is positive, your parabola opens up Find the x coordinate of the vertex it is -b 2a
Use Lagrange multipliers to find the point (a,b) on the graph of y=e^3x . . . We want to find the min values of the product f(a,b)=ab subject to the constraint y=e 3x For simplicity let's use f(x,y)=xy Using Lagrange multipliers, we want to solve ∇f=λ∇g and g(x,y)=0 First, we know g(x,y)=0 if x=0 and y=1 We find that f(0,1)=0 ∇f=λ∇g and g(x,y)=0 can be written as f x =λg x f y =λg y g(x,y)=0 This gives
Write an equation that is parallel to the line 2x - Wyzant To find the slope of our line, let's convert 2x - 3y = 9 into slope-intercept form (y=mx + b) By adding 3y to both sides and subtract 9 from both sides, we get 2x - 9 = 3y Dividing by 3, we get 2 3x - 3 = y This means that the slope of our line, which is parallel to 2x - 3y = 9, must be 2 3