Graph x^2 + 5y^2 = 30 which is an ellipse and graph x+y = c, where c is a parameter. x+y = c is a family of lines such as x+y=1, x+y=1.5, x+y=1.8, etc. Here is an interactive Desmos graph …

2013年8月8日 · The easiest way to factor a quadratic equation ax 2 + b x + c is to use the quadratic formula. What you are doing is assuming the equation is set equal to zero and then …

symbol. A * symbol is not necessary when multiplying a number by a variable. For instance: 2 * x can also be entered as 2x. Similarly, 2 * (x + 5) can also be entered as 2(x + 5); 2x * (5) can be …

2014年4月27日 · Because both equations are true are answers is correct and the two numbers are -16 and -14. If you have problems remembering the adding a negative and subtracting a …

2015年2月21日 · The area of the triangle is 5cm^2. find the base, to the nearest tenth. Answers · 1 One pool is 4m wide, another is 6m longer than the first. the width of the 2nd pool is equal to …

2022年2月15日 · The product of two positive real numbers x and y is 30. x*y = 30. Find the minimum possible value of their sum. Sum = S = x + y *solve the first equation for either x or y …

The x coordinate of the vertex is 30. The y coordinate of the vertex is k, which is defined as k = f(h) For this problem, k = f(30) In other words, we plug in x = 30 to find the y coordinate of the …

1+1/x-30/x^2=0 Multiply each side by the common denominator, in your case, x^2: x^2+x-30=0 Factor: (x-6 ...

Question 1038096: the broadcast area of a television station is bounded by the circle x^2+y^2=3600, where x and y are measured in miles. a translator station picks up the signal …

2020年7月13日 · x. x + 30. The function to be minimized is. y = x(x + 30) = x 2 + 30x. Note that y describes a parabola, whose minimum is at the vertex, where. x = -30/2 = -15. x + 30 = -15 + …