please solve : B, C, and D     ch 9

Q: 6b. x =8x- 15

A: 6b Given Data: Equation: x2=8x-15 Rewrite the given equation. x2=8x-15x2-8x+15=0

Q: 2x+3y < 12

A: Given,          2x+3y&lt;12

Q: How to solve: y + 5cosy = 6

A: y+5cosy=6

Q: Solve using elimination by addition:8x – 4y = 10 12x – 6y = -15

A: Step 1: Step 2: Step 3: Step 4:

Q: Solve: 4. = 4 6. 3

A: find the value of x

Q: Solve by elimination: 2x + y = -3   x-y= -9

A: we are given two equations  2x+y=-3x-y=-9

Q: Solve

A:

Q: Graph and solve for x 0= -16x2+90x+5

A: Given: 0= -16x2+90x+5

Q: Solve for a: (¹²) A = (2a + b).

A: The given expression A=122a+b we have to solve this expression for a

Q: 1-2-4 メ-4

A:

Q: Solve for a: a2+b2=c2

A: Given that: a2+b2=c2

Q: Use logs to solve 6e3n-4+4 = -69

A:

Q: Solve for x: 64" = 256¹+1

A:

Q: Solve: -3z? – 6z – 2 = 5z2 – 10z – 10 Enter your answer in the form a + bi.

A:

Q: Sarah has read alound in class 3 more times than Joel. Sarah has read 9 times. Which equation…

A:

Q: Please solve: four more than y is negative 8

A: Four more than y is written as y+4 This equals negative 8 So the equation is y+4=-8

Q: Can i see the other 5 solutions

A: First 6 problems are already solved, hence I am answering remaining problems. i.e. the below…

Q: Pierce dug a hole 213 feet deep. He needs to have the hole 3 times that deep. How deep will the hole…

A:

Q: Solve the equation P=a+b+c for b.

A: Given that, The equation is P=a + b + c

Q: Manjeet has two mathematically similar bottles in her bathroom. The large bottles holds 1.5 litres…

A:

Q: 54. P = 21 + 2w: solve for l

A: Given P = 2l +2wHere we solve for l

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.