Mathematics
Grade 6
15 min
Find a value using two-variable equations
Find a value using two-variable equations
Tutorial Preview
1
If y = 2x + 3, find the value of y when x = 4.
2
If y = 5x - 1, find the value of x when y = 19.
3
A game costs $5 to play plus $2 per hour. The equation is C = 2h + 5. Find the cost for 3 hours.
Sample Practice Questions
Easy
If y = 3x + 1, what is the value of y when x = 2?
0.6
1.7
2.8
3.9
Easy
If y = 4x + 2, what is the value of y when x = 3?
0.12
1.13
2.14
3.15
Easy
A baker uses the rule C = 2f + 1 for cookies, where f is flour cups. How many cookies (C) from 4 cups of flour?
0.7
1.8
2.9
3.10
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