Malcom is going to increase the size of his patio to make room for a new BBQ grill. The ratio of the area of the
old patio to the area of the new patio is 2 1/4:9.
The ratio
is the unit rate of the old patio to the
new patio.

b

step-by-step explanation:

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629