Algebra
Which property is used in the equation
l + (m + n ) = (l + m) + n
Associative Property of Addition
What is the exact distance between (-1, -7) and (4, 5) on a coordinate grid?
13
35% of what number is 28?
80
Is the square root of 2 a rational number?
NO!
What should you do the night before MCA testing?
Go to bed early and get a good night sleep.
Convert the equation y = - 3/4 x + 2 into standard form.
3x + 4y = 8
A rectangle is drawn on a coordinate grid. The equation for one side of the rectangle is 3x-2y=12. Which could be an equation for another side of the rectangle?
A) y=3/2x+5
B) y=3x+12
C) y=-3/2x+12
D) y=2x-5
A) y=3/2x+5
(1.2 x 10-16) / (4.8 x 104)
2.5 x 10-21
Which represents a proportional relationship?
A) r = 9
B) rt = 11
C) 12 = 1/r
D) 99 = r/t
D) 99 = r/t
Which "should" you do first, the hard problems or the easy ones?
Do the easy problems first! It boosts your confidence and helps you warm-up for the hard ones.
Simplify the following expression:
3(4 - t) - (13)52 + 8t / 2
t - 313
A rectangular field has a length of 160 feet and a width of 120 feet. What is the length of the diagonal of the field?
200 feet
Simplify the following expression:
5(4x3)2 / 20(x2)3
4
Which sequence is geometric?
A) 1, 1, 2, 3, 5, 8, ...
B) 12, 7, 2, -3, -8, ...
C) 2, 4, -6, 8, 10, ...
D) -27, -9, -3, -1, -1/3, ...
D) -27, -9, -3, -1, -1/3, ...
How do you check to see if you found the right value of "x"?
Plug the value back into the equation
m = 4p+3
When p is increased by 2, how much does m increase?
8
What is the area of a circle whose diameter is 12cm?
113.04 cm2
A car that originally sold for $17,000 was discounted and now sells for $13,600. What was the percent of the discount on the car?
20%
When flipping three coins, what is the probability of getting three tails?
1/8
What should you NEVER do on a multiple choice question?
Only do the work for one answer choice.
Evaluate the expression: 2a3 - 14a2 + 2ab - 5a + 12
when a = 2 and b = -3.
-50
The volume of a cylinder is approximately 88 cm3. If the height is 7cm, find the radius. (use 3.14 for pi)
~ 2 cm.
Lauren goes shopping and buys 3 pairs of jeans and 2 shirts for a total of $136.50. If she received a 35% discount, how much did the clothes originally cost?
$210
$20.25
What should you do if you find that you are losing focus or you are stuck on a problem?
Flag the question and come back to it later