19/03/2020 Solving Algebraic Equations(Study by Topics Junior Class) 19/03/2020 0Comments by Gate Academy Welcome to your Solving Algebraic Equations(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER Simplify -4 × -6 × 2 -24 -48 48 12 24 Solve the equation 5(x + 1) - 15 = 0 x = 2 x = -6 x = 3 x = 5 x = -9 One of the roots of the equation x² + kx - 15 = 0 is 3. The values of k and the other roots are, respectively 5, 2 -2, 5 2, -5 -5, -2 Find the quadratic equation whose roots are y = 7 and y = -2 y² - 5y - 14 = 0 y² + 5y + 14 = 0 y² + 2y - 7 = 0 y² - 2y + 7 = 0 Find the values of x for which 9^{x} - 4 × 3^{x} + 3 = 0 0, -1 1, -1 1, 3 1, 0 Find the value of x in the equation 81 - 9x = 27 6 -9 -6 9 The sum of a certain number and 18 is 40. What is the number? 28 26 22 20 24 Evaluate (xy² - yz²)(x²z - xyz) when x = 2, y = -2 and z = -½ -28 0 -30 -34 If 4x - 2 = 3x - 5, the value of 7x is 7 -3 -49 -21 Solve the equation 6(y-4) + 3(y+7) = 6 3/2 1 0 2/3 The roots of the equations 2y² - 3y - 2 = 0 are -1/2, 2 -2, 1 -2, 2 -2, 1/2 The value of the expression when is x = -2/3 is -11/2 6 5/3 -5/3 Find the roots of the equation3y² + 25y - 18 = 0 -9, 2/3 -2, 3 -2/3, 9 -3, 2 One of the roots of the equation x² + 9 = 0 is -9 none of these 3 -3 Solve the equation -48 + 11n - 20n + 12 = 0 0 -4 -2 4 2 Solve the equation 6z² - 7z - 5 = 0 z = 5/3 or -1/2 z = 1/2 or -5/2 z = -5/3 or 1/2 z = 1/3 or 5/2 Solve the equation 2z² + 5z - 3 = 0 z = 1/2 or -3 z = 5/2 or -3 z = 1 or -3 z = 2 or -3 Solve for x in the equation 2(x + 1) = x + 4 3 -2 2 -4 -3 The positive root of a equation 4x² + 7x = 1, correct to e decimal places is 1.062 10.623 0.322 0.133 If 2x + 1 = 15, then x = 16 14 7 12 8 1 out of 20 Time is Up! Time's up