Post on 18-Nov-2014
description
Easy
The sum of the measures of two acute angles is greater than 90.
a. Sometimes True b. Always true c. Never true
a. Sometimes True
3x (5x – 3) = 3x (5x) + ____ (-3)
a. 5x c. -2x
b. 3x d. -3x
b. 3x
It is the set of all the elements in the universal set that are not in a given set.
a. Subset c. Intersectionb. Complement d. Union
b. Complement
The set of _____________ is the set {…, -3, -2, -1, 0 1, 2, 3, …}.
a. Integers c. Natural Numbers b. Whole Numbers d. Irrational
Numbers
a. Integers
Which of the following gives correct mathematical sentence?
a. (x + y)2 = (x2 + y2) b. (x + y)2 = (x + y)(x – y) c. (x + y)2 = (x + y)(x + y)d. (x + y)2 = (x + y)(xy)
c. (x + y)2 = (x + y)(x + y)
Average
The price of refined sugar decreased P25 over five days. If the rate of decrease was
spread equally over five days, how did the price of sugar change in one day?
5
If f (x) = -2x + 4, f (-3) = _______.
10
Which of the following function represent a linear function?
a. f (x) = x3 – 1 c. f (x) = 7x + 8
b. f (x) = x2 + 3x – 10 d. f (x) = x2 + 16
c
True or False: 3x2 – 75 = 3(x+5)(x-5)
True
Simplify: 2x + 4y – 20 + x – 5y + 8
3x – y - 12
Difficult
Badong ate a breakfast that supplied him with 920 calories of energy. Then he jogged for an hour, which used up 15 calories of energy per minute. Give the net calorie intake of Badong after jogging.
20
One-sixth of a number is 3 less than one-half of the same number. What is the number?
9
If two-fifths of a certain number is subtracted from twice the number, the result is 4. Find the number.
5/2
What is the slope of the line x + 2y – 10 = 0?
-1/2
If 30% of p is q, and 20% of q is 12, what is 50% of p +q?
130