1) The algebraic expression of "P added to twenty five" is... a) 25P b) 25 + P c) 25/P d) P + 25 2) The algebraic expression of "Divide the product of 5 and y by the sum of a and b" is... a) (5y) (a+b) b) (5/y)(a+b) c) (5y) / (a+b) d) 5y+a+b 3) The value of p2q - (2q)2 when p=2 and q=3 is... a) 6 b) -6 c) -24 d) 24 4) The mass of a book A is 850 grams and the mass of a book B is 700 grams. The total mass of 4 copies of book A and 5 copies of book B is... a) 8200 grams b) 6700 grams c) 7050 grams d) 6900 grams 5) Simplify -12x + 3x - 5x ! a) 10 x b) -14x c) 4x d) -9x 6) Simplify a x a x a2 ! a) a4 b) 3a3 c) 3a4 d) 4a 7) Simplify 2b x 4b x (-5b) ! a) -40b b) -40b3 8) The three sides of a triangle is x cm, y cm, and z cm. The perimeter of the triangle is P. Find P when x=12.5 cm, y=15 cm, and z=17.5 cm! a) 35 cm b) 54 cm c) 40 cm d) 45 cm 9) Merlyna is x years old. Her sister is half as old as her. Her mother is thrice as old as her sister. If the age of Merlyna is 12 years. The age of Merlyna is... a) 42 years b) 60 years c) 54 years d) 48 years 10) Given 6x - 12 = 48. Find the value of x! a) 12 b) 10 c) 60 d) 36

Math Quiz - Introduction to Algebra - Grade 7

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