Scale Factor
True or False? If the scale factor is less than 1, the scale will cause the image or figure to grow.
False
What is the Pythagorean theorem formula?
a2+b2=c2
What is the slope-intercept equation?
y=mx+b
46=12x+490
Solve for x.
x=-37
12x+49=70y-11
Solve for y
y=(12x+60)/(70)
What is a mortgage payment?
Monthly payment on your house
True or false? A triangle does not need to be a right triangle to use Pythagorean theorem.
False
What is the slope of this equation?
y=17x-21
17
3(x+6)+(6x+22)=21-12x
Solve for x.
Round to the nearest tenth.
-.9
A triangle has one angle that is 36 degrees and another that is 6 degrees. What is the angle measure of the remaining angle?
138 degrees
What is the annual average income for workers in Texas?
52-57 thousand
A ten-foot ladder is leaning up against a building and the base of the ladder is 6 feet away from the buildings wall. How high up is the ladder on the building in inches?
96 inches
What is the slope of the following equation? (Round to the nearest tenth)
472x+17y=1067-6y+.5
-20.5
What is the first step to completing this problem?
7x+21-72x=67-x+228
solve for x
Combine like terms
10(2+42) -7(62+3)
Simplify the expression
-93
Three squares come together to form a right triangle. The largest square has side lengths of 18 inches. One of the other squares has side lengths of 12 inches. What is the perimeter of the remaining square in inches?
Round to the nearest hundredth.
53.67 inches
The slope of a line is 3 and it goes through the point (2,3). Another point on the line goes through the x-coordinate 1. Find the missing y-coordinate.
0
4x+8x=-9+17x-1
Solve for x.
x=2
A right triangle's hypotenuse has a length of 20. One of the legs on the triangle has a length of 8. What is the length of the remaining leg?
Leave your answer as a radical.
Square root of 336
You have a monthly income of $3,200. After paying rent ($1,200), utilities ($150), and groceries ($300), you want to save 20% of your remaining income. How much money do you have left after these expenses, and how much should you save?
Money left $1,550
Savings goal $310
A ship takes off from a port heading West and travels 1245 miles. It then travels south 129 miles. How far is the ship from the port it left from in miles?
Truncate to the nearest Hundredth.
1251.66
Suppose that the water level of a river is 34 feet and that it is receding at a rate of 1/2 feet per day. Write an equation for the water level, y, after x days. In how many days will the water level be 26 feet?
16 days
2(w+3)−10=6(32−3w)
solve for w.
Round to the nearest tenth.
w=9.8
A right triangle has an area of 472. The height of the triangle is 14. What is the length of base of the triangle?
Round to the nearest tenth
67.4