1) Which of the following is not a quadratic expression in one variable? a) 2-x2 b) x2-y2+3 c) x2+x-1 d) y2+2 2) Which of the following quadratic functions has a maximum point? a) f(x)=3x-x2+5 b) f(x)=x2-4x+7 c) f(x)=x2+2x-3 d) f(x)= 2x2+5x-6 3) Calculate the value of c if the graph of the quadratic function f(x)=5x2+2x-c passes through point p(-1, 2) . a) 2 b) 1 c) -1 d) -2 4) A rectangle has a length of x m and a width of (x -2) m. The area of the rectangle is 48 m2. Which of the following quadratic equations represents the situation? a) x(x -2) = 48 b) x2- 2x- 48=0 c) x2 -2x +48= 0 d) x2+ 2x -48=0 5) Find the roots of the quadratic equation (4p -1)2 =4p2 a) p= -1/2 , p=-1/6 b) p= -1/2, p=1/6 c) p=-1/6 ,p=1/2 d) p=1/6 , p=1/2 6) The value of digit 5 in the number 25078 is (5×8m). State the value of m a) 1 b) 2 c) 3 d) 4 7) 140569 = a) (1 ×93) + (4 × 92) + (5 × 91) + (6 × 90) b) (1 × 94) + (4 × 93) + (5 × 91) + (6 × 90) c) (1 × 94) + (4 × 93) + (5 × 92) + (6 × 91) d) (1 × 95) + (4 × 94) + (5 × 92) + (6 × 91) 8) State the value of digit 3 in the number 4306 ,in base ten. a) 910 b) 1810 c) 3610 d) 10810 9) Given (4 × 53) + (2 × 52) +5p = 42305 , find the value of p a) 0 b) 2 c) 3 d) 6 10) Which number has a digit 1 with the largest value in base ten? a) 2189 b) 1037 c) 31024 d) 100002 11) What is the sum of the values of digit 1 and digit 2 in the number 103204? a) 26010 b) 26410 c) 26810 d) 30410 12) Express 2(84) + 8 as a number in base eight. a) 10108 b) 20108 c) 100108 d) 200108 13) Express 101112 as a number in base ten. a) 1510 b) 2210 c) 2310 d) 3910 14) Express 21304 as a number in base ten. a) 4410 b) 9210 c) 14810 d) 15610 15) Calculate the total of 11234  and 3024. a) 10314 b) 20214 c) 20314 d) 21314 16) 10213 - ▢ = 123 . What is the missing number? a) 1023 b) 10013 c) 10023 d) 10113 17) In a game, David obtained 3407 points, 3517 points, 3367 points and 3427 points in four rounds. What is the sum of the two highest scores? a) 10207 b) 10237 c) 12007 d) 12307 18) Express 35210 as a number in base seven a) 1127 b) 10127 c) 11027 d) 21017 19) Given 10324 = (1 × 4p) + (3 × 4r) + (2 × 40), state the values of p and r a) p =1 , r= 3 b) p =2 , r= 4 c) p =3 , r= 1 d) p =4 , r= 2 20) Express ( 1 × 33) + (1 × 32) + (1 × 3 0) as a number in base three. a) 1103 b) 1113 c) 10113 d) 11013

“Spin to Win: Math Edition”

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