Mathematics
Algebraic expressions
Practice questions
What is obtained by subtracting (7x^2-9x+10) from (12x^2-5x+4)?Which statement is correct for (r^3s^2) and (r^2s^3)?If (a=-2), (b=3), what is the value of (a^3b-2ab^2+b^3)?What is obtained after simplifying (3(5x-2y)-4(2x+y)+6y)?In (x^2+kx-20), if the coefficient of (x) is (-11), what is the value of (k+4)?Which expression represents the difference between five times the square of (y) and three times (x)?What is obtained after simplifying (6x^2-7xy+3y^2+2xy-5y^2-4x^2)?If (x=4), what is the value of (3x(x-2)-2x^2)?Riya says that \(5a^2b\) and \(-3ab^2\) are like terms because both contain \(a\) and \(b\). Which statement correctly identifies Riya’s error?Which expression has the simplified form (6x^2-13x)?If (p+q=10) and (p-q=4), what is the value of (2p+q)?What is obtained by subtracting (3a^2-9ab+2b^2) from (7a^2-4ab+6b^2)?Which term should be removed from (4x^2+7x-9) so that no constant term remains and two terms are left?Which of the following expressions is a trinomial polynomial in x of degree 3?Which option is equal to (3(2x+y)-5(x-2y)+2x)?What is the difference between the total degree and the power of (x) in (x^4y^3)?If (x^2-2x=15), what is the value of (2x^2-4x+7)?After simplifying (6x^2y-4xy+9x^2y+7xy-12), which term will not remain?If (x=3) and (y=2), which statement is correct about (x^2y-xy^2) and (xy(x-y))?What is obtained after simplifying (9x^2-5xy+4y^2-2x^2+8xy-7y^2)?