7. The polynomial P(x) x + ax?- bx 12., is exactly divisible by x-2 and by x+2. The vaiue of the constants a and b respectively are A. --3 and - 4 B. 3 and 4 :-3 and 4 D. 3 and 16 8. f(x) = 2x-x² + px + qleaves no remainder when divided by x2 + x-2. The values of pand q are 13 10 А. р 6,q = -7 B.p = -7, q = 6 C.p 21, q D.p =4 22 %3D %3D 3 9) If 3x + x'-4x + mx +n leaves no remainder when divided by x - 1 then the values of m and n are: A. m= -1, n= -1 B. m 3, n = -3 C. m 1, n -7 D. m -7, n = 1 10,If p(x)= 2x' + 11x + 12x + c has a repeated factor, the value of c is 189 117C 9

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.