Section 1
Preview this deck
Determine the x and y intercepts of the graph of 7x - 5y = 35
Front
| 5 | 0 | ||
| 4 | 0 | ||
| 3 | 0 | ||
| 2 | 0 | ||
| 1 | 0 |
Active users
0
All-time users
0
Favorites
0
Last updated
6 years ago
Date created
Mar 1, 2020
Cards (72)
Section 1
(50 cards)
Determine the x and y intercepts of the graph of 7x - 5y = 35
(5, 0) and (0, ‐7)
The sales tax rate in Wilson County is 6.75%. Suppose total price of an item that you bought in Wilson County including taxes is $14.93, what is the price (rounded to two decimal places) before tax?
$13.99
Solve: (x/4) - (⅝)=(⅜)
x = 4
Simplify 2x^2(-3x^2)^3
-54x^8
A large square pizza has 49 pieces (square slices). John, Jack and Jane ate all the pieces in the ratio 4:2:1 respectively. How many pieces did Jack eat?
14
Solve the m: F=(mv^2)/r
m=(Fr)/v^2
Simplify 20+4^3/(-8)
12
Solve: 6/(x - 5)= 4/x
x = -10
Simplify and express in the form a + bi: -4i / ( 1+i )
-2 - 2i
The inequality |x + 4| ≥ 1 is equivalent to
x ≥ ‐3 or x ≤ ‐5
Let f(x)= 2 - x^2 and g(x)= 2x-1. Which is false?
(f + g)(0)=-2
The sum of two numbers is 31. Twice the smaller number is 11 more than the larger number. The positive difference between the numbers is
3
Let f(x)= 2 - x^2 and g(x)= 2x-1. Which is true?
(g o f)(0)= 3
The temperature, in degrees Fahrenheit, over a twelve hour period is given by the function T(t) = ‐0.5t^2 + 6t + 30, where t = 0 denotes 6:00 a.m. When is the morning temperature 47.5o F?
11:00 a.m
Find the equation of the straight line passing through the points (2,‐4) and (1,0).
y = ‐ 4x + 4
Consider the quadratic function f(x)= 2x^2-4x+1. Find the vertex
(-1,-1)
Express in scientific notation: 0.0000056
5.6 x 10^-6
Firefighters use the formula S = 0.5P + 26 to compute the horizontal range S in feet of water from a particular hose, where P is the nozzle pressure in pounds. Find the horizontal range if pressure is 90 lb.
71
Solve: 2 |x-3| =5
x = ½, 11/2
Simplify ((2u^(-5)v^2)/8w)^(-2)
16w^2u^10/v^4
The interval solution to the inequality (x - 2)/(x + 1) > 0 is
(-∞,-1)U(2,∞)
A 36 foot long tube is cut into two pieces with ratio 4:5. Find the length of the shorter piece.
16
Evaluate the expression: 4a^2-4ab+b^2,when a = 2 and b = 5
1
Solve: 2x(10x + 8) = ‐3(x+1)
x = -¾; -⅕
John (J) is 5 years older than his sister Mary (M) who is 2 years younger than her brother Paul (P). If J, M and P denote their ages, which one of the following represents the given information?
J= M+5, M= P - 2
The profit, P, realized by a company varies directly as the number of products s it sells. If a company makes a profit of $7800 on the sale of 325 products, what is the profit when the company sells 5000 products?
$120,000
Simplify and express in the form a + bi: (‐2 + i)(3 + 2i)
-8 - i
Solve: (2x^3)^2 - 8=0
x = (3 +/- 2(2^(½)))/2
The inequality |8 - x| < 8 is equivalent to
0 < x < 16
Find the domain of the function f(x)= (x+3)/(x^2+1).
all real numbers
Simplify: (x^3 + x^2 y - 6xy^2)/(x^2 - 2xy)
x + 3y
The linear relationship between the Fahrenheit scale and Centigrade scale for temperatures is given by F = (9/5)C + 32 . Which of the following statements, if any, are TRUE? A. 68 o F corresponds to 20o C B. 40 o C corresponds to 78o F
Only A
Solve for V given r= (V/h)^(½)
V= hr^2
Solve: ⅔ + x/5 < 4/15
x < -2
Solve the system: {3x - 5y = -4; 3x - y=4}
(2,2)
John averaged 82 out of 100 on his first three tests. What was John's score on the fourth test if his average after the fourth test dropped to 79 out of 100?
70
Expand: 1.20 x 10^5
120000
Solve P: A = P + Prt
P= A/(1+rt)
Solve: 8(x-2)-5(x+4)=20+x
x = 28
Simplify (2a-4)+2(a-5)-3(a+1)
a-17
Solve: (1 - 2x )^(½)+1 = 3
x= -3/2
Let f (x)=3 - 2x. Find the difference quotient (f(x+h)-f(x))/h
-2
Consider the circle given by the equation (x - 2)2 + (y + 1) 2 = 5. Find the center and radius.
(2,‐1); 5^(½)
Solve: 3 - x/(x - 4) = 4/(4 - x);
no solution
Solve: -3(2x - 3) < 27
x > -3
Let f(x) = (1-2x)^(½). Find f(a-1)
(3-2a)^(½)
If the voltage, V, in an electric circuit is held constant, the current I, is inversely proportional to the resistance, R. If current is 120mA (milliampere) when resistance is 5 ohms, find the current when the resistance is 15 ohms.
40
Find the coordinates of a point A whose distance from the origin (0, 0) is 5 units.
A(4, -3)
Simplify: (4x^2 - 1)/ (2x^2 + 5x - 3)
(2x + 1)/(x + 3)
The long term parking rate at Raleigh‐Durham Airport is $2 per hour (or part of an hour) with $10 daily maximum (12:00 a.m. to 12:00 a.m.). Suppose you park your car on Friday afternoon at 8:30 p.m. and pick it up on the following Tuesday at 9:30 a.m., what will be you parking fee?
$48
Section 2
(22 cards)