Which two ordered pairs generated by x = y2 - 1 can be used to show that the

equation is not a function?

(0,-1) and (-1,0)

(-3,-2) and (24,-5)

(8,3) and (8,-3)

(3, 2) and (15,4)

art noticed that if he takes the opposite of his age and adds 40, he gets the number 28. how old is ary?

Jane is one of 50 students to take a standardized math test that includes 100 multiple questions. Is she has the highest score any student with a raw score of 87, what is her percentile score?

Which graph represents the solution to the inequality 11 Less-than-or-equal-to y - 43? A number line going from 50 to 60. A solid circle is at 54. Everything to the left of the circle is shaded. A number line going from 50 to 60.

On average, a refrigerator door is opened 38 times each day. len has two refrigerators in his house based on this, about how many times in a 3-week period are the refrigerator doors opened?

Which associations best describe the data in the table? Variable p 6 1 2 6 5.5 4 6 3 6 Variable q 15 0 1 11 9 6 13 3 14. Choose exactly two answers that are correct. A. linear association B. negative association C. nonlinear association D.

The Science Club has 35 members, 10 girls and 25 boys. What is the ratio of girls to boys in the Science Club? A. 2:1 B. 2:5 C. 5:2

The cost of petrol rises by 2 cents a liter. last week a man bought 20 liters at the old price. This week he bought 10 liters at the new price. Altogether, the petrol costs $9.20. What was the old price for 1 liter?

1. Which equation represents the linear graph? A) y = 2x - 4 B) y = 2x + 4 C) y = 4x - 2 D) y = 4x + 2

Mary has $500 in her account. She makes a $350 withdrawal, deposits $100, and then gets charged a $20 fee. How much does she have in her account? A) $180 B) $230 C) $290 D) $340

A function g (x) has x-intercepts at (1/2,0) and (6,0). Which could be g (x) ? g (x) = 2 (x + 1) (x + 6) g (x) = (x-6) (2x - 1) g (x) = 2 (x - 2) (x-6) g (x) = (x + 6) (x + 2)