11 Do not use a calculator in this question.Solve the quadratic equation (√5-3)x^2+3x+(√5+3)=0 , giving your answers in the form a+b√5 ,where a and b are constants.[6] 相关知识点: 试题来源: 解析 Attempt formulaMultiply by their Seen anywhereAttempt must be seen with a ...
Use a calculator to approximate the value to four decimal places. sec 0.2 Use a calculator to approximate \sqrt{320}, round to three decimal places. Use a calculator to estimate the expression. Round your result to two decimal places. arcsin(-0.75)...
Using this equation as a model, create your own equation that has extraneous solutions. a) Using trial and error wit Solve the equation by making appropriate substitutions. (2x - 9) sqrt x - 5 = 0 Demonstrate how to calculate the square roo...
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Now that we have the system set up, we can actually begin to solve it. We're going to go over 2 ways of solving a system of equations, the first of which is called substitution. It is called this because we're going to take one expression from one equation and substitute it in for...
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solve for y: y/5-2/5=1/3-y Answers · 2 3x + 4 = 7 Answers · 1 a fax machine is 446.40 with tax, tax is 8 percentage, what is the cost price Answers · 2 I just used your equation calculator and now I am more confused there were additional "+" signs and I don't...
problems in no time. It especially helps the student with algebra and equips them with a graphic calculator to be able to draw 2D and 3D diagrams. It also helps them to solve a complex equation in a step by step manner. Overall, this software helps students with elementary math and ...
1. Use the table to find the y-intercept, x-intercepts, vertex, and axis of symmetry. Then draw a graph of f(x)=−x2+4x−3, labeling it with the items you found from the table. 2. Consider the function f(x)=x2+2x−8. Det...
In mathematics, thelogarithm tableis used to find the value of the logarithmic function. The simplest way to find the value of the given logarithmic function is by using thelog table.Learn Mathematicsat BYJU’S in an easy way. Here, the definition of the logarithmic function and procedure to...