Which function is nonlinear?
a. y = 2x - 4
b. y = 3/x
c. y = x/4
d. y = 0.2x
b. y = 3/x
Is the square root of 121 a rational or irrational number?
Rational
A triangle has the sides 12, 35, and 37. Is it a right triangle?
Yes
What type of number is 3.567389...?
Irrational
The vertical axis of a graph is labeled 0, 2, 5, 7, 11. How is this misleading?
The intervals on the vertical axis are not consistent!
What is the slope of the graph whose equation is
y = 20 + 4/5x?
m = 4/5
Which of the following is a whole number?
a. 1/2
b. 0
c. -6
d. 15.7
0
Two parallel lines are intersected by a transversal. One of the angles measures 112 degrees. What is the measure of it's co-interior angle?
68 degrees. Co-interior angles are supplementary. They add to 180 degrees
What is the y-intercept of the equation y = -2x -3?
y-intercept is -3
Solve the equation: 2(3x-5)=6x-20+5
Infinitely many solutions
Solve the equation: 1/2(8x - 10) -2x = 15 - x + 1
x = 7
A car traveled at a speed of 30 mph for 15 minutes during morning traffic. What is the total number of miles the car traveled?
What is 7.5 miles?
Two parallel lines are intersected by a transversal. One of the angles measures 112 degrees. What is the measure of it's corresponding angle?
What is 112 degrees. Corresponding angles are always congruent!