ACELLUS ALGEBRA 2
{3x + 5y = 12 {x + 4y = 11 (put both into graph, find where they both cross the point)
(-1, 3)
{x + 3y = -2 { -3x + y = 6 (put both into graph, find where they both cross the point)
(-2, 0)
{-2x + y = 8 {3x + y = -2 (put both into graph, find where they both cross the point)
(-2, 4)
{3x + 11y = 4 {-2x - 6y = 0 (put both into graph, find where they both cross the point)
(-6, 2)
{4x + 2y = 2 {3x - y = -1 (put both into graph, find where they both cross the point)
(0, 1)
{2x + 2y = 4 {x + 3y = 6 (put both into graph, find where they both cross the point)
(0, 2)
{9x - 5y = -30 {x + 3y = 18 (put both into graph, find where they both cross the point)
(0,6)
{4x + 3y = 1 {-3x - 6y = 3 (put both into graph, find where they both cross the point)
(1, -1)
{9x + y = 18 {4x - 2y = -14 (put both into graph, find where they both cross the point)
(1, 9)
{ x - 2y = 3 { 2x + 4y = 6 (put both into graph, find where they both cross the point)
(3, 0)
{3x + y = 9 {x + 2y = 3 (put both into graph, find where they both cross the point)
(3,0)
{2x - y = 3 {9x - 6y = 6 (put both into graph, find where they both cross the point)
(4, 5)
{ -x + y = -14 { 2x - 3y = 33 (put both into graph, find where they both cross the point)
(9, -5)
{-2x + 7y = 10 {x - 3y = -3 (put both into graph, find where they both cross the point)
(9, 4)
{x + 2y = -9 {-2x -3y = 14 (Microsoft math)
-1, -4
Solve the inequality. 4<_ -3x - 1 <_ 9 -?/? <_ x <_ - ?/?
-10/3, -5/3
solve the inequality. 2 - | 2/5x + 3 | > 3/5 ? < x < ?
-11, -4
{x + 9y = 20 {x + 10y - 2z = 18 {3x + 27y + 2z = 58 (Tiger algebra)
-18, 4, 2
Solve the equation. Give your simplified answer as an improper fraction. -4(3 + x) + 5 = 4(x + 3) x= -?/?
-19/8
f(x) = 3x^4 + 11x^3 + 11x^2 + x - 2
-2, -1, -1, 1/3 (Mathway, had to double one of my answers)
Solve the equation. -2(4 + 3x) = 3(x-2) x= -?/?
-2/9
Solve the inequality. | 19 + x | < 2 ? < x < ?
-21, -17
Complete the equation describing how x and y are related. X: 0, 1, 2, 3, 4, 5 Y: 1, -1, -3, -5, -7, -9 Y= ?x+ ?
-2x, 1
Evaluate and simplify the expression when a= 2 and b= 4. 4a - 2(a + b) + 1 = ?
-3
{3x + 2y + 4z = 11 {2x - y + 3z = 4 {5x - 3y + 5z = -1 (Tiger Algebra)
-3, 2, 4
Solve the inequality. Simplify your answer. |6x - 3| - 4 > 8 x < ?/? or x > ?/?
-3/2, 5/2
Combine like terms. 3x - 7x = ?x
-4x
Complete the equation describing how x and y are related. X: 1, 2, 3, 4, 5, 6 Y: -4, -3, -2, -1, 0, 1 y=x+ ?
-5
f(x) = 6(x + 5)^2 - 10 (Microsoft math graph)
-5, -10
√-5 * √-15 (mathaway)
-5, 3
Solve the equation. Give your simplified answer as an improper fraction. -(x-1)+10=-3(x-2) x=- ?/?
-5/2
Solve the inequality. | 18 + x/2 | ≥ 10 x ≤ ? or x ≥ ?
-56, -16
simplify. √-3 √-12 (average calculator)
-6
6x = 2x^3 + 11x^2 (put answers in order, from least to greatest)
-6, 0, 0.5
Solve the inequality. 3x + 10 < 3 or 2x - 5 >_ 5 x< ?/? or >_ ?
-7/3, 5
Solve the inequality. | 1/4x - 1/3 | ≤ 1/3 ? ≤ x ≤ ?/?
0, 8/3
Solve the equation. 5x-(x+3)=3(2-2x)+x
1
What is the coefficient of this polynomial? (The number in front of the highest degree= x^10) x^10 + 29x^4 + x^2 + 8
1
{x - 2y + 2z = 9 {-x + 3y = -4 {2x - 5y + 3z = 1 (use tiger algebra)
1, -1, 3
1 + 2i / 3 + i (Microsoft math)
1/2, 1/2i
Solve the inequality. 6x -2 <_ 9 or 4 + 3x > 15 x<_ ?/? or > ?/?
11/6, 11/3
Combine like terms. 8y - 4z + 3y + 5z = ?y + ?z
11y, 1z
Use distributive property. 3(4x-9) = ?x + ?
12x, -27
Solve the equation. Give your simplified answer as an improper fraction. 4(x+5) = 6(2x-1) x= ?/?
13/4
Evaluate and simplify the expression when x=14 and y= 1/3. 2x ? / 13 -9y = ?/?
14/5 or 2.8 or 2 4/5
Combine like terms. 9y + 5y-3 = ?y + ?
14y, -3
Find the fifth term in the sequence that is defined as follows: a1 = 1 an = 3a n-1 + 2 (replace n with the number sequence)
161
Use the distributive property. 6(3x - 4y + 7z) = ?x + ?y + ?z
18x, -24y, 42z
Solve the equation. 10x-2(x+5)=4x-2 x=?
2
{x + 2y - 4z = 4 {2x - y + 2z = 3 {3x - 8z = -2 (Use tiger algebra)
2, 3, 1
Which of the following represents this statement? | 3x - 4 | < 2
2/3↔2
Use the distributive property. 4(5x + 3y - 7) = ?x + ?y + ?
20x, 12y, -28
Evaluate and simplify the expression when x=1 and y= 2.
23
Complete the equation describing how x and y are related. X: -2, -1, 0, 1, 2, 3 Y: -4, -2, 0, 2, 4, 6 y= ?x
2x
Complete the equation describing how x and y are related. X: 0, 1, 2, 3, 4, 5 Y: 7, 9, 11, 13, 15, 17 y= ?x + ?
2x, 7
(4x^4 - 4x^2 - x - 3) ÷ (2x^2 - 3) (Mathaway)
2x^2 + 1 + -x/2x^2-3
Evaluate and simplify the expression when a= 2 and b= 13. 20a - 1 / b
3
Complete the equation describing how x and y are related. X: 0, 1, 2, 3, 4 Y: -1, 3, 7, 11, 15 y= ?x + ?
4x, -1
4x^3 + 6x + 18 / x + 2
4x^2 - 8x + 22 - 26/x+2 (Mathway, do the division symbol first then input the numbers, divide using synthetic division)
Complete the equation describing how x and y are related. X: 0, 1, 2, 3, 4, 5, 6 Y: 5, 6, 7, 8, 9, 10, 11 y=x+ ?
5
Solve the inequality. 2x - 9 <_ 1 x<_ ?
5
Use quadratic regression to find the equation of the parabola going through these 3 points. (2, 33), (4, 5), (5, 39) y = ?x^2 + ?x + ? (Keisan.casio.com- read answer backward c, b, a)
5, -11, -31
Find the 4th terms of the geometric sequence, given the first term and common ratio. a1=8 and r=4
512 (8 * 4 = 32, 32*4=128, 128*4=512)
Complete the equation describing how x and y are related. X: -1, 0, 1, 2, 3, 4, 5 Y: -2, 3, 8, 13, 18, 23, 28 Y= ?x + ?
5x, 3
c = 4x + 3y x≥0 y≥0 2x + 3y ≥ 6 3x - 2y ≤ 9 x + 5y ≤ 20
6
√-36 (Removed the negative from the calculator)
6
Find the midpoint between 5 - 2i and 7 + 6i (brainly)
6 + 2i
Evaluate and simplify the expression when a= 2 and b= 4. 4a + 2b^2 - 2(a - 3b) = ?
60
Evaluate the expression when m= 25. m + 2(m-5) = ?
65
The pitch of a musical note varies inversely as its wavelength. If a tone has a pitch of 440 vibrations per second and a wavelength of 2.4 feet, find the pitch of a tone that has a wavelength of 1.6 feet.
660
Combine like terms. 4x - 7y + 2x - 4 = ?x + ?y + ?
6x, -7y, -4
Evaluate and simplify the expression when a= 3 and b= 2. 3b - 2(1-b) / a - 2
8
Solve the equation. Give your simplified answer as an improper fraction. 3( x - 2 ) + 6 = 4( 2 - x ) x = ?/?
8/7
C = x + 3y {9x +2y ⪰ 35 {x + 3y ⪰ 14 {x ⪰ 0 {y ⪰ 0
C = 14
C = x + y {2x + y ≥ 20 {2x + 3y ≥ 36 {x ≥ 0 {y ≥ 0
C = 14
(4, 0) { -x + 6y = 4 { 3x + y = 12
False
(8, 9) { 2x + 4y = -20 { 3x + y = 33
False
The number 4 is a solution to: 1/2x - 3<_ -3
False
{4x - 2y = 12 {20x - 10y = 60 (tiger Algebra)
Infinite
{ 6x + 3y = 9 { 2x + y = 3
Infinite solutions
{4x - 2y = 12 {20x - 10y = 60
Infinite solutions
{ x + 2y = 10 { 2x + 8y = 16
One solution
{ x + 4y = 9 { -2x + y = 0
One solution
P = 5x + 6y {x + y ≤ 6 {2x + 3y ≤ 16 {x ≥ 0 {y ≥ 0
P = 34
P = 4x + 5y {x + 3y ≤ 13 {3x + 2y ≤ 25 {x ≥ 0 {y ≥ 0
P = 38
P = x + 6y {2x + 4y ≤ 10 {x + 9y ≤ 12 {x ≥ 0 {y ≥ 0
P = 9
A bag contains 42 red, 45 green, 20 yellow, and 32 purple candies. You pick one candy at random. Find the probability that it is purple or not red.
P(purple or not red) = 97/139
The resistance, R (in ohms), of a wire varies directly with the length, L (in cm), of the wire and inversely with the cross-sectional area, A (in cm^2). A 500 cm piece of wire with an area of 0.04 cm^2 has a resistance of 0.25 ohms. Find an equation that relates the variables R, L, and A.
R= 0.00002L? / A
(5, -2) {5x-y} {-3x+4y=-23}
True
The number 4 is a solution to: 7 - n >_ 3
True
Find a formula for the nth term in this arithmetic sequence: a1= 8, a2= 4, a3=0, a4=-4
an = -4n + 12 (8 + 4 = 12)
a1 = 9, a2 = 13, a3 = 17, a4 = 21
an = 4n (common difference) + 5 (difference between 9 and 4. 4 + 5 = 9)
Find a formula for the nth term of the arithmetic sequence. First term 11, common difference 5 Hint: common difference is the coefficient Hint: the first term = a1 (?)
an = 5n + 6?
Give the name (monomial, binomial, trinomial, etc.) and degree (exponent) of the polynomial. x + 2
binomial, 1st degree
|(0.8 + 0.8i)^n| (Microsoft notes, add in answer into calculator to get answer)
greater than 1
f(x) = x^4 + 2x^3 - x + 6
p/q = -6, -3, -2, -1, 1, 2, 3, 6 (from smallest to largest) (brainly)
The number 0 is a solution to: -4 <w+4 <_6
true
Which of the following represents this statement? | 4x - 7 | > 3
←1, 2.5→
