If it is an equation or a quadratic function the method is different. How to find the x-intercept of a function or equation requires setting the value of y to zero and calculating the answer(s) for x. The x-intercept formula for a linear equation when in the form Ax + By = C, ...
determine the equation of a quadratic functionconditions: x-intercept 3, and passing through the point (1,-2) 相关知识点: 试题来源: 解析 It sounds like that it passes thru 3 points: (0, 0), (3, 0), (1, -2)From the first 2 points, it can be expressed in the form of y = ...
The vertex formula for a quadratic equation will be f(x)=a(x−h)2+k where (h,k) are the coordinates of the vertex, that is, the minimum or maximum of the parabola.Answer and Explanation: For a quadratic function in standard form, the vertex...
An equivalent intercept form of a parabola can be obtained from its standard form. From the intercept form, we get the intercept points on the coordinate axes and also the constant of the standard form.Answer and Explanation: We know that the intercept form of a parabola is y...
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What is 4x^2+9 be in factored form? Solve the following system of equation using the linear combination: x + 2y = -7 \\ 3x - 8y = 7 How can you tell from a graph where the derivative is 0? Write the quadratic function in vertex form and identify the vertex. f(x) = x^2 -...
The intercept of a line is the point at which it intersects the y-axis. Learn to find the equation of a line when the intercepts of the lines are given for both x-axis and y-axis at BYJU'S.
We are given a quadratic functionf(x)=x2−6x+7which is in the formf(x)=ax2+bx+c, wherea=1,b=−6,and... Learn more about this topic: Quadratic Equation | Definition, Formula & Examples from Chapter 14/ Lesson 1 306K
Find the value of Question: Find the value ofkso that the parabolay=x2+kx+100has only one x- intercept. Answer and Explanation: y = x^2 + kx + 100 Solutions for this quadratic equation are x1,2 = (-k +/- sqrt(k^2 - 4*1*100))/2*1 = (-...
To get its value, one way is to equate the function to zero then solve for the value of x. This will then give at least one value of x = a where the x-intercept is written as an ordered pair of the form (a, 0). There are also times when the function may have n...