How many solutions will each system of linear equations have? Match the systems with the correct number of solutions.
y = -2x + 5 and 2x + y =-7

y = x + 6 and 3x – 3y =-18

y = -4x + 11 and -6x + y = 11

Match it with one below
- one solution
-infinitely many solutions
-no solution

correct answer:

b.(19,-2)

figure c

step-by-step explanation:

hope this .

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.