Multi step Equation
3(x-4)+5x=2(x+6)
x=4
Find the discriminant for the quadratic equation.
2c2+5c+7=0
b2-4ac
-31
two complex solutions
Adding
(3x3y+2xy2-z) + (5x2y-xy2+4z)
8x2y+xy2+3z
4-3(2x-1)≥2(1-x)+7
x ≤ -1/2
Which expressions are equivalent to 4x2-36? Select all that apply.
4x(x-9)
4(x-3)(x+3)
4(x-3)2
4(x2-9)
4(x2+9)
4(x-3)(x+3)
4(x2-9)
7x-4(2x-3) =18
x=-6
Find the discriminant for the quadratic equation.
4a2-1=0
16
two real soultions
subtracting
(4x2y-3xy2+2z) - (x2y+5xy2-z)
3x2y-8xy2+3z
3(2x+1)-4≤5x+7
x≤8
Find the product of (-2m2+4m)(3m+6)
The product is -6m3+24m
5(2x-3)-4(3x+2) =6(x-5)
x=7/8
Solve using the quadratic formula.
x2+8x+12=0
-2 or -6
Multiply
(2a-b)(a+4b)
2a2+7ab-4b2
2(x-3)+5>x+4
x>5
Which expression is equivalent to 4p4q2-144pq3 completely factored?
A.4pq2(p3-36q)
B.4pq(p3q-36q2)
C.2pq2(2p3-72q)
D. 4(p4q2-36pq3)
A. 4pq2(p3-36q)
2(x-5)+7=4(x+3) -(x-2)
x=-17
Solve using the quadratic formula.
x2-2x-8=0
4 or -2
(2x+y)(x+z)
2x2+2xz+xy+yz
You need at least 80 points to pass. You already have 65. Each homework is worth 5 points. How many must you do?
Write the inequality and solve it.
65+ 5x ≥80
x≥3
At least 3 homework.
Which expressions will result in the solution -2y2+13y+24? Select all that apply.
A.(-y-8)(2y-3)
B.(-2y2+7y-8)-(4y2-6y+16)
C.(y-8)(-2y-3)
D.(-y+8)(2y+3)
E.(-8y2+17y+14)-(-6y2+4y-10)
C.(y-8)(-2y-3)
D.(-y+8)(2y+3)
E.(-8y2+17y+14)-(-6y2+4y-10)
3(2x-5)-4(x+3) =2(3x-7) +x-9
x=-4/5
Solve using the quadratic formula.
x2+6x+5=0
-1 or -10
Adding and subtracting
(2xy+x2y-z)+(-xy+3x2y+2z)-(4xy-2x2y-z)
6x2y-3xy+2z
A car slows down from 70 mph by 8 mph each minute. When will the speed by at most 30 mph?
Write the inequality and the answer.
70-8x≤30
x≥5
Find the sum.
(3x3+2.3x2-4.1)+(-5.6x2+1.2x-6.2)
3x3-3.3x2+1.2x-10.3