To solve a quadratic equation, we can use the ___ formula. A. linear B. quadratic C. cubic D. exponential 相关知识点: 试题来源: 解析 B。解二次方程可以用二次公式,quadratic 是二次的;linear 是线性的;cubic 是三次的;exponential 是指数的。反馈 收藏 ...
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( 3x^2+2x-4=0)Use the quadratic formula to find the solutions.( (-b± √(b^2-4(ac)))/(2a))Substitute the values ( a=3), ( b=2), and ( c=-4) into the quadratic formula and solve for ( x).( (-2± √(2^2-4⋅ (3⋅ -4)))/(2⋅ 3))Simplify.( x=(-1±...
x^2+6x+9=0: 解:x=-3 x^2+7x+10=0: 解:x=-2, x=-5 x^2+4x-21=0: 解:x=-7, x=3反馈 收藏
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The quadratic formula is a formula that can be used to solve a quadratic equation. It does so by finding values ofxthat make the quadratic equation in the formax2+bx+c= 0 a true statement. Answer and Explanation: Using the quadratic formula to solvex2= 3x+ 3 gives that the solutions ...
After some algebraic magic he found the solution for "x" as the quadratic formula. Little did he know in high school that he would later use this equation extensively to make pictures of planets and DNA molecules. Each pixel in such an image requires the intersection of a second order ...
英语翻译1 solving quadratic functions2 solve by factoring3 solve by taking the square root4 solve by using the quadratic formula5 solve by completing the square6 complex numbers7 simplify the following8 the discrimiant9 for the following functions a:find the valueof the discriminantb:describe the...
One of the author's favorite experiences in high school mathematics was learning how to solve quadratic equations. As is usual with life, things are not as simple as they were in high school. There are several problems with the quadratic formula. In this article, the author talks about these...
Quadratic Formula: The quadratic formula is a formula that is applied to determine the roots of any quadratic equation whose standard form is {eq}ax^2+bx+c=0 {/eq}. It is given by the formula {eq}x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a} {/eq}. Answer and Exp...