1) Expand 2n(15m-6)+3n(5n+9) a) 30mn+15n+15n2 b) 15n2-15n+30mn c) 30mn-39n+15n2 d) 30mn+15n-15n2 2) Expand -2y(10x2-y+3) a) -2y2+20x2y-6y b) 20x2y+2y2+6y c) -20x2y+2y2-6y d) -6y-2y2-20x2y 3) Expand (25x-3)(5x+1) a) 125x2-3 b) 125x2+10x-3 c) 125x2-10x-3 d) -125x2-10x-3 4) Expand -16y(8y+1)+1 a) -128y2-16y+1 b) -128y2-16y-1 c) -128y2-15y d) 128y2+16y+16 5) Expand (2n2+1)(6n3+2) a) 12n6+4n2+6n3+2 b) 12n5+2 c) 12n6+2 d) 12n5+6n3+4n2+2 6) Expand (3/2a2+2)(2/3a+3/5) a) a3+9/10a2+4/3a+6/5 b) a3+6/5 c) a3+1/10a2+1/3a+6/5 d) 6/5a3+6/7a2+4/3a+1 7) Expand 2x-10(1-5x)2 a) -250x2+102x-10 b) 2x-10+50x2 c) -250x2+98x-10 8) Factorise m3-1 a) (m-1)(m2+m+1) b) (m2+1)(m-1) c) m2(m-1) d) m3(1-1/m2) 9) Factorise 100x2-1 a) (10x-1)(10x-1) b) (-10x-1)(-10x+1) c) 100(x2-1) d) (100x-1)(x+1) 10) Factorise 25y2+75y-100 a) (5y-10)(5y+10) b) (25y-10)(y+10) c) (25y+10)(y-10) d) (y+4)(y-1) 11) Factorise 25xy+5x-5y-1 a) (5x-1)(5y+1) b) (25x-1)(y+1) c) (5y-1)(5x+1) d) (5x-1)(5y-1) 12) Factorise 38x2+95x-2x-5 a) (7x-1)(x+5) b) (38x-1)(x+5) c) (19x-1)(2x+5) d) (20x-1)(18x+5) 13) Simplify the expression (3m2+9m)/(2n2+10n)÷(m+3)/(n+5) a) 3m/2n b) (3m/2n)+(18m/20n)+(27m/50n) c) (3m3+27m)/2n3+50n) d) (3m3/2n3)+(18m2/20n2)+(27m/50n) 14) Simplify the expression (-5n/6(18n-6))/(3n-1) a) (-15n2+5n)/(3n-1) b) -5n c) (15n2-5n)/(3n-1) d) 5n 15) Simplify the expression (5y/18xy)+(2y/3y) a) 17/28 b) (5/18x)+2/3 c) 10y2/54xy2 d) (5/28x)+(2/3y) 16) Given 15m-25=10m, find m. a) m=5 b) m=-5 c) m=1 d) m=3 17) Given 10x/3+1=-9, find x. a) x=-24/10 b) x=-3 c) x=-80/3 d) x=-100/3 18) Given 6z=6a+7, find z. a) z=a+7/6 b) z=a+7 c) z=a d) z=13a/6 19) Given -16y/3+8/3=40/3, find y. a) y=-3 b) y=2 c) y=5 d) y=-2 20) Given b=9y+8, find y. a) y=(-8+b)/9 b) y=(-b-8)/9 c) y=(b+8)/9 d) y=(-b+8)/9

TUTOR QUIZ

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?