A1 CATEGORY 2 STAAR REVIEW

What is the slope of the line represented by 5x – 12y = 24?

• -2

• -12

Tags

AI.9.3.A

What is the slope of the line that passes through the points (5, -11) and (9, -17)?

• -2

• 7

• 2

Tags

AI.9.3.A

The table shows the total cost of different numbers of square feet of carpet.

What is the rate of change of the total cost in dollars with respect to the number of square feet purchased for this linear relationship?

Mathematical Equivalence

ON

Tags

AI.9.3.B

Graph the line represented by the equation 3x – 5y = 15. Select two points on the coordinate grid. A line will connect the points.

The graph of 4x – 5y ≥ 20 is shown on the grid. Which points are in the solution set of 4x – 5y ≥ 20? Select TWO correct answers.

Which situation does NOT show causation?

• As the dimensions of a floor increase, the area of the floor also increases.

• As the amount of fat in a truck decreases, the total weight of the truck also decreases.

• As the number of hits on a baseball game increases, the number of runs scored by the home team also increases.

• As the number of grams of sugar in a beverage decreases, the number of calories in the beverage also decreases.

The functions f(x) = x and g(x)=3/4f(x+4) are graphed on the same coordinate grid. Which statements are true? Select TWO correct answers.

• The graph of g is steeper than the graph of f.

• To create g, f is translated 4 units to the left.

• The x-intercept of g is 4 units to the right of the x-intercept of f.

• The graph of g is steeper than the graph of f.

• To create g, f is translated 4 units to the right.

The graph of linear function g passes through the points (-7, -4) and (7, 6), as shown. What are the slope and y-intercept of the graph of g?

• The slope is 5/7, and the y-intercept is -1.

• The slope is 7/5, and the y-intercept is -1.

• The slope is 7/5, and the y-intercept is -1.

• The slope is 7/5, and the y-intercept is 1.

What is the rate of change of y with respect to x for this function?

• 7/9

• -7/9

• 3/4

• -3/4

Which graph can be used to find the solution to the system of equations below? 2x + y = -4 -3y = 2x + 12

• 
• 
• 
•