Linear Function
What is the slope of the linear function y=−2x+3?
-2
What is the shape of the graph of any quadratic function?
parabola
In a right triangle, what trigonometric ratio is defined as opposite over hypotenuse?
Sine
What is the probability of getting 1 OR 2 when rolling a die?
1/3
A jacket originally costs $60 but is on sale for 20% off. What is the sale price? (No tax)
$48
5/2 or 2.5
Solve: x^2+7x+10=0
x=-5 or x=-2
What is the cosine of a 60° angle exactly?
1/2
What is the probability of getting 1 AND (then) 2, when rolling a die twice?
1/36
A laptop price increased from $500 to $550. What is the percent increase?
10%
What is the equation of a line that is parallel to y=3x−1 and passes through the point (2,−1)?
y=3x-7
A ball is thrown up and its height is modeled by h(t)=−16t^2+32t+5. What is the initial height?
height= 5
A right triangle has an angle of 30° and a hypotenuse of 10. What is the length of the side opposite the 30° angle?
5
For a randomly selected 7 digit phone number, what is the probability that the last three digits are all the same? The first number can be 0.
1/100
The five interior angles in a pentagon are in the ratio 1:3:5:5:6. What is the measure of the pentagon's largest angle?
162
What is the equation of a line in slope-intercept form that is perpendicular to 2x−5y=1 and passes through the point (0,4)?
y=-5/2x +4
A rocket’s height is given by h(t)=−5t2+20t. When will it hit the ground?
t=0 and t=4
A ladder leans against a wall forming a 70° angle with the ground. If the ladder is 15 feet long, how high does it reach on the wall (round to the nearest tenth)?
14.1 feet
The number 69-301, inclusive, are put into a hat. What is the probability that the first number chosen at random is a multiple of 6?
39/233
Nola wnts to mark all of the original prices in her store down to half-off. The prices are already marked down by 20%. What additional percent should be discounted? Express your answer as a percent rounded to the tenth.
37.5%
What is the distance from the point (2,3) to the line y=2x−1?
0
Solve
−3(4x−3)^2=−24x^2+126x−42
x= 1/4 , x= -5/2
A student finds that tan(θ)=3/4. Without a calculator, what is sin(θ)?
3/5
What is the probability of rolling each of the numbers 1 through 6 in any order in six rolls of a standard die?
5/324
If 5% more than 'a' is 'b', and 'b' is 15% less than 'c', what is the ratio of 'a' to 'c'. Express your answer as a simplified fraction.
17/21