Kontrolnaia Rabota Po Algebre 8 Klass Za Pervoe Polugodie Mordkovich May 2026

Construct a graph of a function (e.g., ) and determine its properties. Solving Equations Solve basic quadratic equations such as

x2=-7−112⋅2=-184=-4.5x sub 2 equals the fraction with numerator negative 7 minus 11 and denominator 2 center dot 2 end-fraction equals negative 18 over 4 end-fraction equals negative 4.5 ✅ The solutions to the equation are Visualization of the Function Construct a graph of a function (e

: Properties of arithmetic square roots and simplifying radical expressions. Full Quadratic Equations Solve using the formula Sample

Simplify expressions containing square roots or rationalize the denominator. Full Quadratic Equations Solve using the formula Sample Problem Walkthrough Problem : Solve the quadratic equation 1. Identify Coefficients Identify the values for from the standard form Note that Calculate the roots using Perform operations

For further practice, you can find full variants and video solutions on resources like Infourok or YouTube .

D=72−4(2)(-9)cap D equals 7 squared minus 4 open paren 2 close paren open paren negative 9 close paren D=49+72=121cap D equals 49 plus 72 equals 121 , there are two real roots. Note that Calculate the roots using

Perform operations with algebraic fractions. Example :