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Test sobre Grade 9 EQAO Math, creado por HappyOwl el 23/04/2014.

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Grade 9 EQAO Math

Grade 9 EQAO Math

Pregunta 1 de 10

1

Josie works in a sports store. She receives 8% of the total sales each day. One day, she receives $35 for her portion of the total sales. What are the total sales for that day?

Selecciona una de las siguientes respuestas posibles:

  • $37.80

  • $43.75

  • $280.00

  • $437.50

Explicación

Pregunta 2 de 10

1

Which of the following represents the expression 2(3x + 4) + 3(x - 1) in a simplified form?

Selecciona una de las siguientes respuestas posibles:

  • 9x + 3

  • 9x + 5

  • 8x + 8

  • 8x + 11

Explicación

Pregunta 3 de 10

1

Nadia lives 11.4 km from school and rides her bike to school every day. The equation: d = 11.4 - 0.6t represents the relationship between d, her distance from school in km, and t, her time spent travelling in minutes. If she leaves home at 8:05 a.m., what time will she get to school?

Selecciona una de las siguientes respuestas posibles:

  • 8:11am

  • 8:16am

  • 8:17am

  • 8:24am

Explicación

Pregunta 4 de 10

1

If the radius of a sphere is tripled, the surface area of the sphere will increase...

Selecciona una de las siguientes respuestas posibles:

  • by a factor of 3

  • by a factor of 4

  • by a factor of 6

  • by a factor of 9

Explicación

Pregunta 5 de 10

1

A carton that holds 500 mL of chocolate milk costs $2.29. Which of the following containers has a lower cost per mL?

Selecciona una de las siguientes respuestas posibles:

  • 250 mL at $1.29

  • 700 mL at $3.09

  • 750 mL at $3.59

  • 1000 mL at $4.69

Explicación

Pregunta 6 de 10

1

The distance covered in 5 laps of a circular track is 400π meters. What is the shortest distance between any point on the track and the center?

Selecciona una de las siguientes respuestas posibles:

  • 40m

  • 200m

  • 80m

  • 400m

Explicación

Pregunta 7 de 10

1

How would the graph of the relation: y = 3x - 2 change if the 3 and (-2) were both doubled? The graph would be...

Selecciona una de las siguientes respuestas posibles:

  • steeper and have a lower y-intercept.

  • steeper and have a higher y-intercept.

  • less steep and have a lower y-intercept.

  • less steep and have a higher y-intercept.

Explicación

Pregunta 8 de 10

1

Identical bottles are packed in a box.
The box will hold a maximum of 38 bottles. The relationship between M, the total mass of the box and its contents, and n, the number of bottles in the box, is represented by the equation: M = 500n + 800.
Which of the following are possible integer values for the variable n?

Selecciona una de las siguientes respuestas posibles:

  • n is greater than 37.

  • n is greater than or equal to 0.

  • n is greater than 0 but less than 39.

  • n is greater than or equal to 0 but less than 39.

Explicación

Pregunta 9 de 10

1

How many of these equations represent straight lines?
y = x - 2
y = 2 - 4x
y = x^2 + 8

Selecciona una de las siguientes respuestas posibles:

  • one

  • two

  • three

  • none

Explicación

Pregunta 10 de 10

1

If the diameter of a volleyball is three times the diameter of a tennis ball, which statement below is true?

Selecciona una de las siguientes respuestas posibles:

  • The volume of the volleyball is 3 times the volume of the tennis ball.

  • The volume of the volleyball is 9 times the volume of the tennis ball.

  • The surface area of the volleyball is 9 times the surface area of the tennis ball.

  • The surface area of the volleyball is 27 times the surface area of the tennis ball.

Explicación

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