Solving Algebraic Equations(Study by Topics Junior Class Test)

Solve the equation 5(x + 1) - 15 = 0

Solve the equation 3x + 10 = x²

The roots of the equation
5 + 3y - 2y² = 0 are

The equation whose roots are 1/2 and -7 is

The sum of a certain number and 18 is 40. What is the number?

The roots of the equation 10y² - 13y - 3 are

The positive root of a equation 4x² + 7x = 1, correct to e decimal places is

When the number x is doubled and 7 is subtracted from it, the result is equal to 8. Represent the statement algebraically.

If the equation px² - 6x + 1 = 0 has equal roots, the value of p is

If the equation y² - (k - 2)y + 2k + 1 = 0 has equal roots, the values of k are

If P = R/ R+2 % R+2/ R, where R is a number which is neither 0 nor -2, then

Find the values of x for which 

9^x - 4 × 3^x + 3 = 0

Find the value of x in the equation 81 - 9x = 27

One of the roots of the equation x² + kx - 15 = 0 is 3. The values of k and the other roots are, respectively

Solve the equation -48 + 11n - 20n + 12 = 0

The roots of the equations 2y² - 3y - 2 = 0 are

Solve for y:

25^y + 3(5^y) = 4

Evaluate (xy² - yz²)(x²z - xyz) when x = 2, y = -2 and z = -½

Find the value of x for which
3^2x + 6(3^x) = 27

Solve the equation 2z² + 5z - 3 = 0