ALGEBRA
Additive inverse of 99
What is -99?
The coordinate (4, -3) is located in which cuadrant?
What is quadrant 4?
In SOHCAHTOA, what does TOA stand for?
What is tangent? or What is opposite over adjacent?
Evaluate (-5) + 3 x 6
What is 13?
_____________ is the set of numbers containing zero, the natural numbers (1, 2, 3, …), and all the negatives of the natural numbers.
What is an integer?
Find x:
- (2x - 1) + 6 (x+3) = -4 - (7x - 11)
What is -12/11?
What is the slope in the equation 2x - 7y = 8?
What is 2/7?
Note: The equation changes to y = 2/7 x - 8/7
What is pi?
What is 3 radians and .14 of the next radian?
What is 3.14159?
Evaluate 52 x 23 - 75 + (50 - 72)7
What is 126?
________ is a letter representing a number value
What is a variable?
Solve 3x2 + 14x - 5 = 0
Hint: by factoring
What is (-5, -1/3)?
Evaluate f(x) = 3x2 - 16x - √‾225, at f(-3)
What is 60?
Convert 50 degrees to radians?
Note: Multiply by pi/180
What is 5pi /18?
50 x pi/180 = 50pi/180 = 5pi/18
Evaluate 11 x 12 - 52 x 3
divided by (88 / 11) - 8
What is 57?
____________ is a number that indicates the operation of repeated multiplication.
What is an exponent?
Simplify.
3√‾8 + 2√‾18 - 4 √‾2
What is 8√‾2?
Find the distance between (-2, -9) and (6, -7)?
What is √‾68?
What is 2 √‾17?
Cos (x) = 0 when x equals what degree?
What is 90 degrees?
Evaluate 34 - 4 (23 - 23) + (-5)
divided by (122 - 8) / 4 x 2
What is 8?
__________ is the distance from zero on the number line.
What is absolute value?
The selling price of a ring is $750. This represents $150 less than three times the cost of the ring. Find the cost of the ring.
What is $300?
Find the x-intercept by using the quadratic formula
x2 + 6x - 13 = 3
What is x=2 and x=-8?
From a point on the ground 47 feet from the foot of a tree, the angle of elevation of the top of the tree is 35º. Find the height of the tree to the nearest foot.
Note: tan (35) = 0.70
Peter withdrew 1000 dollars from his bank account today. He uses 500 to fix his car. Then, he divide the money into 5 equal parts and gave away 4 parts and kept 1 part for himself. Finally, he took his wife to the restaurant and spent 60 dollars on meals. Find how much money Peter has now?
What is $40?
(1000 - 500) ÷ 5 - 60
= (500) ÷ 5 - 60
= 100 - 60
= 40
____________ is a mathematical statement that says that two expressions have the same value; any number sentence with an =.
What is an equation?