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Solve an equation, inequality or a system.Example: 2x-1=y,2y+3=xNew Example Keyboard Solve √ ∛ e i π s c t l L ≥ ≤What our customers say... Thousands of users are using our software to conquer their algebra homework. Here are some of their experiences: This version of ...
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8. Solve, using algebra, the equationx-6x^(1/2)+4=0Fully simplify your answers, writing them in the forma+b√c, wherea,bandcare integers to be found. 相关知识点: 试题来源: 解析 x=14+6√5或者x=14-6√5 将原方程中的 x^(1/2) 替换为 y,得到 y^2 - 6y + 4 = 0。利用求根...
Now that we can graph an absolute value function, we will learn how to solve an absolute value equation. To solve an equation such as8=|2x−6|8=|2x−6|, we notice that the absolute value will be equal to 8 if the quantity inside the absolute value is 8 or -8. This leads to...
Introduction to solving an equation with variables on both sides | Algebra I | Khan Academy YouTube Logarithms | Logarithms | Algebra II | Khan Academy YouTube More Videos Related Concepts e The number e is a mathematical constant approximately equal to 2.71828 that is the base of the natural...
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(b)Use algebra to solve the equation3^(2x)-9(3^x)+18=0giving your answers to 2 decimal places where appropriate. 相关知识点: 试题来源: 解析 (b) (3^x)^2-9(3^x)+18=0 Forms a quadratic of the correct form in or 3 or in "y" where "y"=3or even in x y=3^x⇒y^...
Absolute value equations may not always involve equalities. Instead, we may need to solve an equation within a range of values. We would use an absolute value inequality to solve such an equation. Anabsolute value inequalityis an equation of the form ...