9672011
Descripción
Test por Christine Davis - IU8, actualizado hace más de 1 año
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Creado por Christine Davis - IU8
hace más de 7 años
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Pregunta 1
Pregunta
The system of equations y = -3x + 5 and y = -3x - 7 has
Respuesta
-
Exactly one solution
-
No solution
-
Infinitely many solutions
-
Exactly two solutions
Pregunta 2
Pregunta
To solve the system of equations 5x + 3y = 9 and 4x + y = 8, which expression could be substituted for y into the first equation?
Respuesta
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12x - 3y
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4x - 8
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-3/5x + 3
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8 - 4x
Pregunta 3
Pregunta
Solve the system of equations 5x + 2y = 1 and y = 1 - 3x
Respuesta
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(1, -2)
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(1, 2)
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(0, 1/2)
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(-2, 1)
Pregunta 4
Pregunta
To furnish a cafeteria, a school can spend $5200 on tables and chairs. Tables cost $200 and chairs cost $40. Each table will have 8 chairs around it. How many tables and chairs will the school purchase?
Respuesta
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20 tables and 160 chairs
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10 tables and 80 chairs
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5 tables and 40 chairs
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30 tables and 240 chairs
Pregunta 5
Pregunta
Solve the system of equations x + 3y = 12 and 5x + y = 4
Respuesta
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(4, 0)
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(0, 4)
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(0, -4)
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(-4, 0)
Pregunta 6
Pregunta
The system of equations y = 2x - 3 and y = 4x - 3 has
Respuesta
-
Exactly two solutions
-
No solution
-
Infinitely many solutions
-
Exactly one solution
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