Grade 9 Mathematics Assessment Flashcards
7 cards from real EQAO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Grade 9 Mathematics Assessment flashcards as text
A linear relation is given by y = 3x − 4. What is the y-intercept?
Answer: −4
The y-intercept is the constant term in slope-intercept form y = mx + b, which is −4.
Which expression is equivalent to 2(3x − 5) + 4x?
Answer: 10x − 10
Expanding gives 6x − 10 + 4x = 10x − 10.
A rectangle has a length of (2x + 3) cm and a width of 4 cm. Which expression represents its perimeter?
Answer: 4x + 14
Perimeter = 2(length + width) = 2(2x + 3 + 4) = 2(2x + 7) = 4x + 14.
On a number line, which value is between −3/4 and 1/2?
Answer: 0
0 lies between −0.75 and 0.5, while the other values fall outside this range.
A store sells notebooks for $2.50 each. If a student buys n notebooks, which equation represents the total cost C?
Answer: C = 2.50n
Total cost equals the unit price multiplied by the number of items: C = 2.50n.
What is the value of 3² + 4²?
Answer: 25
3² = 9 and 4² = 16, so 9 + 16 = 25.
The table shows a linear relation: x = 1 → y = 5, x = 2 → y = 8, x = 3 → y = 11. What is the rate of change?
Answer: 3
The y-value increases by 3 for each unit increase in x, so the rate of change is 3.
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