Algebra Review
What is an algebraic expression?
an equation without an = sign
What does the "M" stand for in PEMDAS/GEMDAS?
multiplication
Who developed the theory of evolution?
Charles Darwin
What common, everyday item is sodium chloride?
salt
Which does not belong?
99, 81, 16, 25
99 (the rest of perfect squares)
What is the coefficient in this equation?
9x + 7 = 88
9 (a number used to multiple to a variable)
Distribute 3(x + 4) = _______
3(x + 4) = 3x + 12.
Which organ system is responsible for carrying oxygen to cells?
circulatory system
Which state of matter has no definite shape or volume?
gas
There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there?
3 ducks
What is the operator of this equation?
9x + 7 = 88
+
Solve for a:
5a + 2a - 3 = 11
a = 2
What's the name of the process by which plants reproduce?
pollination
What is the pH of a perfectly neutral solution (like pure water)?
7
Jane went to visit Jill. Jill is Jane’s only husband’s mother-in-law’s only husband’s only daughter’s only daughter. What relation is Jill to Jane?
Jane's daughter
5x - 8 = 2x + 7
x = ?
x = 5
Solve for x:
5x - 4 = 2x + 8
x = 4
What is the name of the process by which cells divide?
mitosis
Which gas makes up the majority of Earth's atmosphere?
nitrogen
If Friday was three days ago. Which day is tomorrow?
Tuesday
4√81
3
Solve for a:
2a + 4 = 14
a = 5
Cellular respiration is essentially the opposite of what process?
photosynthesis
Mercury is _____ (state of matter) at room temperature.
liquid
Which does not belong?
48, 30, 64, 96
30 (the rest are divisible by 4)