- Question 1 Find y when x = -7. Do not round your answer. 1 point y = 2x3+ 212 + 1 25 Number Help y = NumberQuestion 10 One car travels 30 km/h for t hours, and another car travels 40 km/h for t + 1 hours. Find the expression in simplest form for the sum of distances, D travelled by the two cars in terms of t. 1 point Note: Distance = Speed x Time D =Question 11 Perform the indicated operations and then combine like terms. 1 point 5 {5a _ 7h} 2 @E - Question 12 The formula used to find the area, A of a triangle is given by: A = 1bh 1 point where b = base of triangle and h = height of triangle. Find the area when b = 78 cm and h = 46 cm Area = Number cm\f\f- Question 15 Perform the indicated operations and then combine like terms. 1 point 4 (8x + 9y) - 4 (5x + 2y) =- Question 16 Perform the indicated operations and then combine like terms. 1 point 5 (8b + 7c) + 4 (5b + 4c) =Question 17 The formula for converting degrees Centigrade to degrees Farenheit is F = 90+ 32. 5 1 point What is the temperature in Farenheit when the temperature in Centigrade is 20.5 . ? Number Help Round your answer to the nearest tenth of a degree. Number- Question 18 Perform the indicated operations and then combine like terms. 1 point -4p (4p - 9q + 11) =- Question 2 The length of a rectangle is 9 cm more than the width. Find the expression in simplest form for the perimeter, P of this rectangle in terms of its width w. 1 point P =\fQuestion 5 The formula for the area of a circle is A = wr- where r is the radius of the circle. Calculate the area of a circle that has a radius of 43.7 in. Round to the nearest whole number. Enter any exponents using * 1 point (Example: km is km*3) Units Help Number Help Number UnitsQuestion 6 For the five questions below, match the name with an example from the expression below which best describes the name 1 point 42+7-+52-3 -- Exponent Binomial Constant Term -- Variable 1. 5 1 - 3 2. I 3. 2 4. 7 -2 5. -3- Question 7 Simplify the following algebraic expression by combining the like terms 1 point 8a2b + 11 ab3 -7ab3 + a2b - 3a2b- Question 8 The formula used to find the hypotenuse, h of a right triangle is given by: h = \\/x2 + 72 1 point Find the hypotenuse if x = 43 cm andy = 69 cm h X Hypotenuse = Number cm (round to nearest tenth)\fXz - 7 Q2 ) a ) 3 , Given y = 2x + 2x+2- 25 substituting x in above equation y = Q ( - 7 ) + 2( - 7 ) +( - 7 ) - 25 = - 686+ 98 - 7-25 y = - 620 Q2) Length of a rectangle = I Length is acm more Than the width ( w ) :. 1 = w+ 9 ket perimeter of a rectangle p= a (ltwo ) After substitution = 2 ( wt q t w ) - 2 ( 20+ 9) P = 40 0+ 18 24 ) ( 12 2 10 ) * = 12 4 ( dio) * . : ( ab ) = abb 20736 d10 * 4 ( dn ) " = anxm = 20736 d 40 Q5 ) A = TIL 2 Radius 91 = 43. 7 inch we know Linch= 2.540m .: 43. Finch = 2.54 x 43.7 A = X 1 10 . 998 ( m ) = 110. 9980m = 38706. 168 cm = 38706 cm (Rounded to nearest 1 cm = 10 m = > Icm = ( 10 - 2 ) my whole number ) = 101 m2 :. A= 38706x10 4m= 3.8706m = 4m (Rounded to Q6 ) nearest whole Exponent means . The team has in powers number ) Ex: 43 Exponent * variable coefficient & 41 -3 constant Term If there are two terms we call it is binomial2 From given option . a is the Exponent of Term 5x 5x -3 is the binomial - 3 is the constant as it has no I's Fx is the term a is the variable Q7 ) 8abt llab' _ Tab + ab - 3ab Like terms : sab , ab , - 3ab Addi woe can add only like teams : 8a bta b - 3a b = Gas ab ( 8 + 1 - 3 ) = Gab Like teams : hab3, - Fab 3 . lab3_ Fab = Hab Result is Gab + 4ab 3 Q8) * = 43cm, y= 69 cm h = Vx ty ? = 1 43 7692 = 1849+ 4761 = V6610 h= 81.3cm ( Rounded to newrest tenth ) Qq ) (12 (8d ) = 126 ( c8 ) : 16 = 2985984 ( 6 (8 ) db ( 12 ( 8 2 ) = 2985984 ( 4 26 Q 10 ) one can travels at speed S,= 30 km/ h Time t , = th Another car travels at speed szz 40 km/ h Time tz = t+1 h Distance = Speedxtime D, (Distance of first car ) = 30 ( t ) travelled by D2 ( Distance travelled by = 40 (tti ) second carr ) D = D, +D 2 D = 30t + 40 (t + 1 ) = 30t+ 40* +40 - 701 + 40Q 1 1 ) 6 ( 60 - 7 6) = 6xba - 6x76 . = 360 - 42b - Q12) A = =bh b = 78cm, h= 460m A= LX78X46 = 1794(m Q 1 3 ) 32n10 32 510-3 am - m- h a 4n3 y QIk ) ( 30 3 ) ( 18 0 7 ) = 3x8 a . a a a = amth = 24 03+7 - 24010 215 ) 4 ( 8 x + 9y ) - 4 ( 5x + 24) = 4 ( 8 ) * + 4 ( 9 ) y - [ 4 ( 5 ) x + 4 ( 2 ) y ] = 32x+ 36y - 20 x +8> J = 32x - 20x + 36y - 8y = 12x + 28y Q 16) 5 ( 86 + 7 ( ) + 4 ( 56 + 40 ) 5 ( 8 ) b + 5 ( 7 ) c + 4 ( 5)b+ 4 ( 4 )c 40b+ 35 c + 206+ 16c = 40 b+ 20b + 35-C + 16C 60b+ 51 C Q 17 ) F = act 32 Given C = 20.5- -. F = 9 ( 20. 5) +32 = 3.69 +32= 35-69 Rounded To F = 35. 7 (*nearest loth ) Q 18 ) - up (4P - 99+11) = - 4(4) PXP - 4x-9 ( pxq ) - 4PX1 1 - 16P + 36 Pq - 449