Solve each system of equation by either
substitution or Addition/Multiplication (Ex. 1-8)
(1) y = 2x, x + y = 12
| A (6,6) | B (4,8) | C (9,3) | D (8,4) | E (4,6) |
(2) y = x - 1, 3x + 4y = 17
| F (3,4) | G (4,8) | H (9,3) | J (8,4) | K (3,2) |
(3) 2x - y = -1, 3x + y = -4
| A (4,1) | B (-1,-1) | C (4,-3) | D (4,3) | E (3,-2) |
(4) y - x = 1, 3y - 2x = 5
| F (3,2) | G (4,8) | H (4,3) | J (6,7) | K (-2,3) |
(5) 5x + 4y = 29, 3x - 2y = 13
| A (5,1) | B (5,-1) | C (21,11) | D (-3,13 1/2) | E (5,4 3/4) |
(6) 3x + 7y = 2, 2x + 3y = 3
| F (-1,3) | G (3,-1) | H (-1,1 2/3) | J (-3,3) | K (3,1) |
(7) 5x = 2y + 8, 3x - 5y = 1
| A (2,-1) | B (2,9) | C (2,1) | D (5,2) | E (3,5) |
(8) 5x = 3y + 4, 2x + 2y = 8
| F (2,2) | G (5,3) | H (2,4 2/3) | J (2,6) | K (2,-2) |
(9) If (4,y) is a solution to the equation x - 2y = 18, what is the value of y?
| A 7 | B 36 | C 10 | D -7 | E 24 |
(10) If (x,2) is a solution to the equation 2x - 4y = 12, what is the value of y?
| F 2 | G -2 | H -2 | J -4 | K 10 |
| OPEN-ENDED QUESTION |
(11) Solve 3x - y = 2, y = 3x. Does every system
of equations have a solution?
| CUMULATIVE REVIEW |
(1) The length of a rectangle is 6 cm more than twice
the width. The area is 36 cm2 . Find the dimensions, in
cm, of the rectangle.
| A 4 1/2 by 10 | 9 by 3 | 4 by 7 | 3 by 12 | 4 by 7 |
(2) Factor 2y2 + 3y - 20.
| F (3y + 5)(y - 4) | G (2y - 5)(y - 4) | H (2y - 3)(y +1) |
| J (2y - 5)(y + 4) | K (2y + 10)(y - 2) |
(3) Draw the graph representing the solution to the
inequality 2x - 5 � 4x - 7