Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Signal-flow graph wikipedia , lookup
Quadratic equation wikipedia , lookup
Cubic function wikipedia , lookup
Quartic function wikipedia , lookup
System of polynomial equations wikipedia , lookup
Elementary algebra wikipedia , lookup
History of algebra wikipedia , lookup
Practice Test on Ordered Pairs that Satisfy Equations in Two Variables True or False: The given ordered pair is a solution to the equation. 1) _ 2) _ 3) 5x + 3y = 1; (-1, -2) 3) _ 4) 5x - 2y = 13; (3, -1) 4) _ 1) Y= 5x + 6; (-5, -31) 2) Y = -5x - 4; (2, -6) Complete the ordered pair so that each is a solution to the given equation. Give your answer as an ordered pair. 5)y=-x-6 (-4,) 5) _ 6)y=3x-l (-2, ) 6) _ ( ,-1) 7) _ 8) _ 9) _ ) 10) _ (-3, ) 11) 7)2x+y =3 8) 2x + Y = -8 ( ,6) Find the missing coordinate to complete the ordered pair. Give your answer as an ordered pair. 9) y = -x 10) Y = -x 1l)y=3x-3 (23, ) + 6 (-3, _ 12) _ 13) _ 14) 2x + Y = -1 ( ,9) 14) _ 15) 2x + Y = -9 ( ,9) 15) 13) 4x + Iy = 12 ( ,50) 2 1 _ 16) 5x + Y = -19 (0, ) 16) _ 17) _ Complete the ordered pairs so that each is a solution to the given equation. 17)x+y=6 18) x + Y = -12 (4, ),(6, ),(0, ) 18) ( , -8), ( , 0), ( , -12) _ Solve the problem. 19) If (a, 3) is a solution of the equation y = 2x - 5, what is a? 19) _ 20) If (3, b) is a solution of the equation 3x - 2y = 17, what is b? 20) _ 2 Answer Key Testname: PRACTICE TEST ON ORDERED PAIRS THAT SATISFY EQUATIONS VARIABLES 1) 2) 3) 4) 5) No No No No (-4, -2) 7) (-2, -7) (2, -1) 8) (-7, 6) 6) (23, -23) 10) (-3, 9) 9) 11) (-3, -12) 12) 1 19J 5' 8 13) - ~ 14) ,50] (-5,9) (-9, 9) 16) (0, -19) 17) (4, 2), (6, 0), (0, 6) 15) 18) (-4, -8), (-12, 0), (0, -12) 19) 4 -4 20) 3 IN TWO