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The roots of the quadratic function y = 1 / 2 x 2 − 3x + 5 / 2 are the places where the graph intersects the x-axis, the values x = 1 and x = 5. They can be found via the quadratic formula. In elementary algebra, the quadratic formula is a closed-form expression describing the solutions of a quadratic equation.
A formula for computing the trigonometric identities for the one-third angle exists, but it requires finding the zeroes of the cubic equation 4x 3 − 3x + d = 0, where is the value of the cosine function at the one-third angle and d is the known value of the cosine function at the full angle.
Simplification is the process of replacing a mathematical expression by an equivalent one that is simpler (usually shorter), according to a well-founded ordering. Examples include:
Sweet potatoes, for instance, dropped by 26.2%, while the cost of 1-pound of frozen peas went down by about 8%. A 30-ounce can of pumpkin pie mix, whole milk, frozen pie crust, and one-pound ...
The wholesale value of the seizure was approximately $3.2 million, the Drug Enforcement Administration said. In another incident, CBP officers discovered 1,220 packages that contained 4,587 pounds ...
This screenshot shows the formula E = mc 2 being edited using VisualEditor.The window is opened by typing "<math>" in VisualEditor. The visual editor shows a button that allows to choose one of three offered modes to display a formula.
The initial proposal to reform the law used the slogan “They’re girls, not wives” and aimed to prevent young girls from being forced to marry.
For example, y = x 2 fails the horizontal line test: it fails to be one-to-one. The inverse is the algebraic "function" x = ± y {\displaystyle x=\pm {\sqrt {y}}} . Another way to understand this, is that the set of branches of the polynomial equation defining our algebraic function is the graph of an algebraic curve .