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28 Cards in this Set
- Front
- Back
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Identify the independent and dependent variable:
Height and age |
dependent: height
independent: age |
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Primary or Secondary data?
A researcher collects data from the data base system. |
secondary
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Solve: 6x - 1 = 5
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x = 1
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A researcher interviews 205 students to ask about cafeteria food preferences.
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Primary
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Simplify: 4^3 x 4^2
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4^5
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Simplify: 3a(2a + 3) + 4(2a-5)
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6a^2+17a-20
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Solve: 3x-4=0
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x=4/3
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3(x-5)=5(x+1)+4
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x = -12
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Simplify: (4x-3)+(x+8)-(2x-5)
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3x+10
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Student Council is printing dance tickets. The cost is $50 to design the cards. There is an additional charge of $0.05 per dance ticket. Is this direct or partial variation?
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Partial
- has a flat rate |
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Student Council is printing dance tickets. The cost is $50 to design the cards. There is an additional charge of $0.05 per dance ticket. Write an exquation to represent this relatinoship.
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C = 0.05t + 50
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Student Council is printing dance tickets. The cost is $50 to design the cards. There is an additional charge of $0.05 per dance ticket. The student council has $75, how many tickets can they print?
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500
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Identify the slope and y - intercept:
y = 5x-6 |
m = 5
b = -6 |
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Identify the slope and y - intercept:
3x - 9y + 4 = 0 |
m = 1/3
b = 4/9 |
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Identify the slope and y - intercept:
x = 7 |
Slope is undefined
No y - intercept |
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Identify the slope and y - intercept:
y = -4 |
m = 0
b = -4 |
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Determine the x and y intercepts of 5x + 3y = 15.
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y - intercept: 5
x - intercept: 3 |
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Determine the equation of a line that has a slope of -2 and passes through (5, -2).
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y = -2x + 8
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Determine the equation of a line that passes through A(2, -5) and B(-4, 9).
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y = -7/3x + 49/8
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Determine the equation of the line that is perpendicular to 2x - 3y +6=0 and passes through (2, 4)
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y = -3/2x+7
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Calculate the volume of a basketball with diameter of 32.1 cm, to the nearest thenth of a cubic centimetre.
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1079.04cm^3
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Primary or secondary?
Janet went on the internet to find out how many people bought GM cars last year. |
Secondary
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Identify the dependent and independent variable:
Earnings, in dollars and Hours worked |
Independent: Hours
Dependent: Earnings |
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Simplify: 6(3x - 5)
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18x-30
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Simplify: 2x(x -4) -(x - 5)
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2x^2 - 9x + 5
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Solve: 5x -9 = 3 + 15x
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x=-6/5
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Find the hypoteneuse of a triangle with arms 5 cm and 7 cm.
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8.6 cm
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Simplify: [(-3)^5]^2
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(-3)^10
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