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 When the number x is doubled and 7 is subtracted from it, the result is equal to 8. Represent the statement algebraically. 7 - 2x = 8 x/2 - 7 = 8 2x - 7 = 8 3(x - 7) = 8 2x = 7 - 8 None Solve for a in the equation 4 - 6a = -2 -3 1 -1 3 1/3 None Which of the following is a root of the equation y² + 6y = 0? 1 2 3 0 None The roots of the equation ay² + by + c = o are 1/2 and -3. The values of a, b and c are, respectively Find the smaller value of a for whicha² - 3a + 2 = 0 -2 2 -1 1 None The roots of the equation y + 2√y = 8 are 4, 1 16, 4 16, 1 4, 2 None The value of the expression when is x = -2/3 is 6 5/3 -11/2 -5/3 None Solve the equation 3x + 4 = 5x - 6 3 5 -5 -3 -4 None Solve the equation 2z² + 5z - 3 = 0 z = 2 or -3 z = 1/2 or -3 z = 1 or -3 z = 5/2 or -3 None If P = R/ R+2 % R+2/ R, where R is a number which is neither 0 nor -2, then P ≤ 0 P > 0 P ≥ 0 P = 1 None Solve the equation 5x² = 3x 0 or 3/5 3 or 5 0 or 3 0 or 5 None Solve the equation 2x² - 3x - 27 = 0 3/2, 9 3, 9/2 -2/3, 9 -3, 9/2 None One of the roots of the equation 6y² = 5 - 7y is 1/2 -1/2 -1/3 5/3 None Find the value of x in the equation 81 - 9x = 27 -6 -9 6 9 None Find the value of x for which 3^{2x} + 6(3^{x}) = 27 3 1 -1 -3 None The positive root of a equation 4x² + 7x = 1, correct to e decimal places is 0.133 1.062 0.322 10.623 None Solve the equation -48 + 11n - 20n + 12 = 0 -4 0 2 -2 4 None One of the roots of the equation x² + kx - 15 = 0 is 3. The values of k and the other roots are, respectively -2, 5 -5, -2 5, 2 2, -5 None Find the values of x for which 9^{x} - 4 × 3^{x} + 3 = 0 1, -1 0, -1 1, 0 1, 3 None Given that a² + b² + c² = 50 and a = 5, √b = 2 find c 2 4√2 3 3√2 None 1 out of 20 Time's upTime is Up!