2017年3月12日 · x >=6 Treat an inequality in the same way as an equation. (Unless you multiply of divide by a negative number) Isolate the variable x by dividing both sides by 5. 5x >=30 …

2015年7月11日 · Graph system of linear equations in 2 variables: (1) 10 x + 6y - 30 < 0 (2) 5x - 10 y - 30 > 0 First graph Line (1) -> 10 x + 6y - 30 = 0 by its 2 intercepts. Make x = 0 -> y = 5; …

2016年11月22日 · x=10 and y=-20 1. y=-5x+30 2. x=10 Since we know the value of x from the second equation, replace x in the ...

2x^2+5x-30 = 1/8(4x+5-sqrt(265))(4x+5+sqrt(265)) Complete the square, first premultiplying by 8 to cut down on fraction arithmetic, not forgetting to divide by 8 at ...

2018年4月23日 · 5x -5 = 30. Step one: add 5 to both sides: 5x = 35. Step two: divide both sides by 5: x =7. Step three: Check: 5(7)-5=30 quad sqrt.

color(brown)("x-intercept "= 6, " y-intercept " = 3 To find x & y intercepts of equation 5x + 10 y = 30 Making y = 0, 5x + 0 = 30, " or " x = 30 / 5 = 6 Similarly, making x = 0, 10y = 30 " or " y = 3 …

2016年2月27日 · x~~2.11 1. Log both sides of the equation. 5^x=30 log(5^x)=log(30) 2. Recall the log rule: log_b(m^color(red)(n))=color(red)(n)log_b(m).

2018年4月17日 · How do you use the grouping method to factor #2x^3 + 12 x^2 + 5x + 30# completely? Algebra. 2 Answers Lucy ...

2016年3月23日 · Since both of the equations tell you what y is, we know that the solution to the system of equations must satisfy both equations. So the y value from the first equation must …

How do you factor by grouping #2x^3+12x^2-5x-30#? Algebra Polynomials and Factoring Factoring by Grouping. 1 Answer